Home / 488,829,061.76-676,360,491.24-426,235,593.56

Finding the Fourth Proportional to 488,829,061.76, 676,360,491.24 and 426,235,593.56

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Solution

The fourth proportional to 488,829,061.76, 676,360,491.24 and 426,235,593.56 is: 589,754,042.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,829,061.76 : 676,360,491.24 = 426,235,593.56 : x
  2. Step 2: Convert to fraction form
    488,829,061.76/676,360,491.24 = 426,235,593.56/x
  3. Step 3: Cross multiply
    488,829,061.76x = 676,360,491.24 × 426,235,593.56
  4. Step 4: Simplify right side
    488,829,061.76x = 288,288,915,444,214,592
  5. Step 5: Solve for x
    x = 288,288,915,444,214,592/488,829,061.76
  6. Step 6: Final answer
    x = 589,754,042.87

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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.