Home / 776,499,387.07-1,071,595,597.31-459,231,601.20

Finding the Fourth Proportional to 776,499,387.07, 1,071,595,597.31 and 459,231,601.20

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Solution

The fourth proportional to 776,499,387.07, 1,071,595,597.31 and 459,231,601.20 is: 633,755,248.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,499,387.07 : 1,071,595,597.31 = 459,231,601.20 : x
  2. Step 2: Convert to fraction form
    776,499,387.07/1,071,595,597.31 = 459,231,601.20/x
  3. Step 3: Cross multiply
    776,499,387.07x = 1,071,595,597.31 × 459,231,601.20
  4. Step 4: Simplify right side
    776,499,387.07x = 492,110,561,991,541,696
  5. Step 5: Solve for x
    x = 492,110,561,991,541,696/776,499,387.07
  6. Step 6: Final answer
    x = 633,755,248.47

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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.