Home / 3,778,899,018.70-5,668,348,528.05-2,146,312,266.70

Finding the Fourth Proportional to 3,778,899,018.70, 5,668,348,528.05 and 2,146,312,266.70

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Solution

The fourth proportional to 3,778,899,018.70, 5,668,348,528.05 and 2,146,312,266.70 is: 3,219,468,400.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778,899,018.70 : 5,668,348,528.05 = 2,146,312,266.70 : x
  2. Step 2: Convert to fraction form
    3,778,899,018.70/5,668,348,528.05 = 2,146,312,266.70/x
  3. Step 3: Cross multiply
    3,778,899,018.70x = 5,668,348,528.05 × 2,146,312,266.70
  4. Step 4: Simplify right side
    3,778,899,018.70x = 12,166,045,977,684,604,928
  5. Step 5: Solve for x
    x = 12,166,045,977,684,604,928/3,778,899,018.70
  6. Step 6: Final answer
    x = 3,219,468,400.05

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Half scale
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Double scale
Find fourth proportional to 3,778,899,019.70, 5,668,348,529.55 and 2,146,312,267.70
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.