Home / 781,607,773.44-1,078,569,669.60-429,181,296.48

Finding the Fourth Proportional to 781,607,773.44, 1,078,569,669.60 and 429,181,296.48

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Solution

The fourth proportional to 781,607,773.44, 1,078,569,669.60 and 429,181,296.48 is: 592,243,251.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,607,773.44 : 1,078,569,669.60 = 429,181,296.48 : x
  2. Step 2: Convert to fraction form
    781,607,773.44/1,078,569,669.60 = 429,181,296.48/x
  3. Step 3: Cross multiply
    781,607,773.44x = 1,078,569,669.60 × 429,181,296.48
  4. Step 4: Simplify right side
    781,607,773.44x = 462,901,929,142,933,248
  5. Step 5: Solve for x
    x = 462,901,929,142,933,248/781,607,773.44
  6. Step 6: Final answer
    x = 592,243,251.50

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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.