Home / 891,987,526.35-1,337,565,190.64-339,392,812.59

Finding the Fourth Proportional to 891,987,526.35, 1,337,565,190.64 and 339,392,812.59

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Solution

The fourth proportional to 891,987,526.35, 1,337,565,190.64 and 339,392,812.59 is: 508,930,897.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,987,526.35 : 1,337,565,190.64 = 339,392,812.59 : x
  2. Step 2: Convert to fraction form
    891,987,526.35/1,337,565,190.64 = 339,392,812.59/x
  3. Step 3: Cross multiply
    891,987,526.35x = 1,337,565,190.64 × 339,392,812.59
  4. Step 4: Simplify right side
    891,987,526.35x = 453,960,012,072,092,160
  5. Step 5: Solve for x
    x = 453,960,012,072,092,160/891,987,526.35
  6. Step 6: Final answer
    x = 508,930,897.20

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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.