Home / 547,588,493.92-755,709,197.14-309,351,050.16

Finding the Fourth Proportional to 547,588,493.92, 755,709,197.14 and 309,351,050.16

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Solution

The fourth proportional to 547,588,493.92, 755,709,197.14 and 309,351,050.16 is: 426,925,394.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,588,493.92 : 755,709,197.14 = 309,351,050.16 : x
  2. Step 2: Convert to fraction form
    547,588,493.92/755,709,197.14 = 309,351,050.16/x
  3. Step 3: Cross multiply
    547,588,493.92x = 755,709,197.14 × 309,351,050.16
  4. Step 4: Simplify right side
    547,588,493.92x = 233,779,433,750,829,472
  5. Step 5: Solve for x
    x = 233,779,433,750,829,472/547,588,493.92
  6. Step 6: Final answer
    x = 426,925,394.43

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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.