Home / 524,264,829.60-786,680,679.60-217,587,943.20

Finding the Fourth Proportional to 524,264,829.60, 786,680,679.60 and 217,587,943.20

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Solution

The fourth proportional to 524,264,829.60, 786,680,679.60 and 217,587,943.20 is: 326,499,550.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,264,829.60 : 786,680,679.60 = 217,587,943.20 : x
  2. Step 2: Convert to fraction form
    524,264,829.60/786,680,679.60 = 217,587,943.20/x
  3. Step 3: Cross multiply
    524,264,829.60x = 786,680,679.60 × 217,587,943.20
  4. Step 4: Simplify right side
    524,264,829.60x = 171,172,231,029,342,208
  5. Step 5: Solve for x
    x = 171,172,231,029,342,208/524,264,829.60
  6. Step 6: Final answer
    x = 326,499,550.16

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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.