Home / 3,778,899,008.20-5,668,348,512.30-2,146,312,256.20

Finding the Fourth Proportional to 3,778,899,008.20, 5,668,348,512.30 and 2,146,312,256.20

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Solution

The fourth proportional to 3,778,899,008.20, 5,668,348,512.30 and 2,146,312,256.20 is: 3,219,468,384.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778,899,008.20 : 5,668,348,512.30 = 2,146,312,256.20 : x
  2. Step 2: Convert to fraction form
    3,778,899,008.20/5,668,348,512.30 = 2,146,312,256.20/x
  3. Step 3: Cross multiply
    3,778,899,008.20x = 5,668,348,512.30 × 2,146,312,256.20
  4. Step 4: Simplify right side
    3,778,899,008.20x = 12,166,045,884,362,526,720
  5. Step 5: Solve for x
    x = 12,166,045,884,362,526,720/3,778,899,008.20
  6. Step 6: Final answer
    x = 3,219,468,384.30

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Half scale
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Double scale
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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.