Home / 357,037,008.30-535,555,512.45-331,208,975.70

Finding the Fourth Proportional to 357,037,008.30, 535,555,512.45 and 331,208,975.70

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Solution

The fourth proportional to 357,037,008.30, 535,555,512.45 and 331,208,975.70 is: 496,813,463.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,037,008.30 : 535,555,512.45 = 331,208,975.70 : x
  2. Step 2: Convert to fraction form
    357,037,008.30/535,555,512.45 = 331,208,975.70/x
  3. Step 3: Cross multiply
    357,037,008.30x = 535,555,512.45 × 331,208,975.70
  4. Step 4: Simplify right side
    357,037,008.30x = 177,380,792,709,053,088
  5. Step 5: Solve for x
    x = 177,380,792,709,053,088/357,037,008.30
  6. Step 6: Final answer
    x = 496,813,463.55

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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.