Home / 714,141,597.69-985,426,163.39-396,558,664.74

Finding the Fourth Proportional to 714,141,597.69, 985,426,163.39 and 396,558,664.74

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Solution

The fourth proportional to 714,141,597.69, 985,426,163.39 and 396,558,664.74 is: 547,201,402.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,141,597.69 : 985,426,163.39 = 396,558,664.74 : x
  2. Step 2: Convert to fraction form
    714,141,597.69/985,426,163.39 = 396,558,664.74/x
  3. Step 3: Cross multiply
    714,141,597.69x = 985,426,163.39 × 396,558,664.74
  4. Step 4: Simplify right side
    714,141,597.69x = 390,779,283,551,816,704
  5. Step 5: Solve for x
    x = 390,779,283,551,816,704/714,141,597.69
  6. Step 6: Final answer
    x = 547,201,402.10

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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.