Home / 880,268,545.60-1,320,402,818.40-472,121,857.60

Finding the Fourth Proportional to 880,268,545.60, 1,320,402,818.40 and 472,121,857.60

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Solution

The fourth proportional to 880,268,545.60, 1,320,402,818.40 and 472,121,857.60 is: 708,182,786.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,268,545.60 : 1,320,402,818.40 = 472,121,857.60 : x
  2. Step 2: Convert to fraction form
    880,268,545.60/1,320,402,818.40 = 472,121,857.60/x
  3. Step 3: Cross multiply
    880,268,545.60x = 1,320,402,818.40 × 472,121,857.60
  4. Step 4: Simplify right side
    880,268,545.60x = 623,391,031,403,283,584
  5. Step 5: Solve for x
    x = 623,391,031,403,283,584/880,268,545.60
  6. Step 6: Final answer
    x = 708,182,786.40

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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.