Home / 447,394,864.38-671,116,211.41-140,710,892.10

Finding the Fourth Proportional to 447,394,864.38, 671,116,211.41 and 140,710,892.10

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Solution

The fourth proportional to 447,394,864.38, 671,116,211.41 and 140,710,892.10 is: 211,073,859.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,394,864.38 : 671,116,211.41 = 140,710,892.10 : x
  2. Step 2: Convert to fraction form
    447,394,864.38/671,116,211.41 = 140,710,892.10/x
  3. Step 3: Cross multiply
    447,394,864.38x = 671,116,211.41 × 140,710,892.10
  4. Step 4: Simplify right side
    447,394,864.38x = 94,433,360,810,273,296
  5. Step 5: Solve for x
    x = 94,433,360,810,273,296/447,394,864.38
  6. Step 6: Final answer
    x = 211,073,859.65

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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.