Home / 397,468,732.89-596,267,810.28-117,377,978.34

Finding the Fourth Proportional to 397,468,732.89, 596,267,810.28 and 117,377,978.34

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Solution

The fourth proportional to 397,468,732.89, 596,267,810.28 and 117,377,978.34 is: 176,086,077.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,468,732.89 : 596,267,810.28 = 117,377,978.34 : x
  2. Step 2: Convert to fraction form
    397,468,732.89/596,267,810.28 = 117,377,978.34/x
  3. Step 3: Cross multiply
    397,468,732.89x = 596,267,810.28 × 117,377,978.34
  4. Step 4: Simplify right side
    397,468,732.89x = 69,988,710,119,885,072
  5. Step 5: Solve for x
    x = 69,988,710,119,885,072/397,468,732.89
  6. Step 6: Final answer
    x = 176,086,077.54

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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.