Home / 1,154,834,335.20-1,732,251,502.80-378,505,322.40

Finding the Fourth Proportional to 1,154,834,335.20, 1,732,251,502.80 and 378,505,322.40

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Solution

The fourth proportional to 1,154,834,335.20, 1,732,251,502.80 and 378,505,322.40 is: 567,757,983.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,834,335.20 : 1,732,251,502.80 = 378,505,322.40 : x
  2. Step 2: Convert to fraction form
    1,154,834,335.20/1,732,251,502.80 = 378,505,322.40/x
  3. Step 3: Cross multiply
    1,154,834,335.20x = 1,732,251,502.80 × 378,505,322.40
  4. Step 4: Simplify right side
    1,154,834,335.20x = 655,666,413,545,198,464
  5. Step 5: Solve for x
    x = 655,666,413,545,198,464/1,154,834,335.20
  6. Step 6: Final answer
    x = 567,757,983.60

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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.