Home / 3,778,899,009.45-5,668,348,514.18-2,146,312,257.45

Finding the Fourth Proportional to 3,778,899,009.45, 5,668,348,514.18 and 2,146,312,257.45

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Solution

The fourth proportional to 3,778,899,009.45, 5,668,348,514.18 and 2,146,312,257.45 is: 3,219,468,386.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778,899,009.45 : 5,668,348,514.18 = 2,146,312,257.45 : x
  2. Step 2: Convert to fraction form
    3,778,899,009.45/5,668,348,514.18 = 2,146,312,257.45/x
  3. Step 3: Cross multiply
    3,778,899,009.45x = 5,668,348,514.18 × 2,146,312,257.45
  4. Step 4: Simplify right side
    3,778,899,009.45x = 12,166,045,895,472,297,984
  5. Step 5: Solve for x
    x = 12,166,045,895,472,297,984/3,778,899,009.45
  6. Step 6: Final answer
    x = 3,219,468,386.18

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Half scale
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Double scale
Find fourth proportional to 3,778,899,010.45, 5,668,348,515.68 and 2,146,312,258.45
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.