Home / 1,259,227,931.52-1,737,736,864.32-702,346,872.96

Finding the Fourth Proportional to 1,259,227,931.52, 1,737,736,864.32 and 702,346,872.96

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Solution

The fourth proportional to 1,259,227,931.52, 1,737,736,864.32 and 702,346,872.96 is: 969,239,978.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,227,931.52 : 1,737,736,864.32 = 702,346,872.96 : x
  2. Step 2: Convert to fraction form
    1,259,227,931.52/1,737,736,864.32 = 702,346,872.96/x
  3. Step 3: Cross multiply
    1,259,227,931.52x = 1,737,736,864.32 × 702,346,872.96
  4. Step 4: Simplify right side
    1,259,227,931.52x = 1,220,494,052,682,467,840
  5. Step 5: Solve for x
    x = 1,220,494,052,682,467,840/1,259,227,931.52
  6. Step 6: Final answer
    x = 969,239,978.03

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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.