Home / 663,121,735.52-915,091,964.03-365,757,591.52

Finding the Fourth Proportional to 663,121,735.52, 915,091,964.03 and 365,757,591.52

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Solution

The fourth proportional to 663,121,735.52, 915,091,964.03 and 365,757,591.52 is: 504,736,634.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,121,735.52 : 915,091,964.03 = 365,757,591.52 : x
  2. Step 2: Convert to fraction form
    663,121,735.52/915,091,964.03 = 365,757,591.52/x
  3. Step 3: Cross multiply
    663,121,735.52x = 915,091,964.03 × 365,757,591.52
  4. Step 4: Simplify right side
    663,121,735.52x = 334,701,832,783,955,264
  5. Step 5: Solve for x
    x = 334,701,832,783,955,264/663,121,735.52
  6. Step 6: Final answer
    x = 504,736,634.10

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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.