Home / 690,544,546.20-1,035,118,712.49-297,327,807.36

Finding the Fourth Proportional to 690,544,546.20, 1,035,118,712.49 and 297,327,807.36

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Solution

The fourth proportional to 690,544,546.20, 1,035,118,712.49 and 297,327,807.36 is: 445,691,127.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,544,546.20 : 1,035,118,712.49 = 297,327,807.36 : x
  2. Step 2: Convert to fraction form
    690,544,546.20/1,035,118,712.49 = 297,327,807.36/x
  3. Step 3: Cross multiply
    690,544,546.20x = 1,035,118,712.49 × 297,327,807.36
  4. Step 4: Simplify right side
    690,544,546.20x = 307,769,577,141,957,952
  5. Step 5: Solve for x
    x = 307,769,577,141,957,952/690,544,546.20
  6. Step 6: Final answer
    x = 445,691,127.15

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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.