Home / 432,974,766.15-597,591,980.82-256,860,516.15

Finding the Fourth Proportional to 432,974,766.15, 597,591,980.82 and 256,860,516.15

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Solution

The fourth proportional to 432,974,766.15, 597,591,980.82 and 256,860,516.15 is: 354,519,008.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,974,766.15 : 597,591,980.82 = 256,860,516.15 : x
  2. Step 2: Convert to fraction form
    432,974,766.15/597,591,980.82 = 256,860,516.15/x
  3. Step 3: Cross multiply
    432,974,766.15x = 597,591,980.82 × 256,860,516.15
  4. Step 4: Simplify right side
    432,974,766.15x = 153,497,784,640,526,112
  5. Step 5: Solve for x
    x = 153,497,784,640,526,112/432,974,766.15
  6. Step 6: Final answer
    x = 354,519,008.13

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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.