Home / 1,078,634,959.16-1,488,092,722.82-626,435,948.92

Finding the Fourth Proportional to 1,078,634,959.16, 1,488,092,722.82 and 626,435,948.92

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Solution

The fourth proportional to 1,078,634,959.16, 1,488,092,722.82 and 626,435,948.92 is: 864,235,642.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,634,959.16 : 1,488,092,722.82 = 626,435,948.92 : x
  2. Step 2: Convert to fraction form
    1,078,634,959.16/1,488,092,722.82 = 626,435,948.92/x
  3. Step 3: Cross multiply
    1,078,634,959.16x = 1,488,092,722.82 × 626,435,948.92
  4. Step 4: Simplify right side
    1,078,634,959.16x = 932,194,776,900,693,120
  5. Step 5: Solve for x
    x = 932,194,776,900,693,120/1,078,634,959.16
  6. Step 6: Final answer
    x = 864,235,642.45

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.