Home / 1,078,634,862.48-1,488,092,589.43-626,435,852.05

Finding the Fourth Proportional to 1,078,634,862.48, 1,488,092,589.43 and 626,435,852.05

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Solution

The fourth proportional to 1,078,634,862.48, 1,488,092,589.43 and 626,435,852.05 is: 864,235,508.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,634,862.48 : 1,488,092,589.43 = 626,435,852.05 : x
  2. Step 2: Convert to fraction form
    1,078,634,862.48/1,488,092,589.43 = 626,435,852.05/x
  3. Step 3: Cross multiply
    1,078,634,862.48x = 1,488,092,589.43 × 626,435,852.05
  4. Step 4: Simplify right side
    1,078,634,862.48x = 932,194,549,181,432,448
  5. Step 5: Solve for x
    x = 932,194,549,181,432,448/1,078,634,862.48
  6. Step 6: Final answer
    x = 864,235,508.80

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Double scale
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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.