Home / 510,872,557.85-766,308,836.78-349,629,421.85

Finding the Fourth Proportional to 510,872,557.85, 766,308,836.78 and 349,629,421.85

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Solution

The fourth proportional to 510,872,557.85, 766,308,836.78 and 349,629,421.85 is: 524,444,132.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,872,557.85 : 766,308,836.78 = 349,629,421.85 : x
  2. Step 2: Convert to fraction form
    510,872,557.85/766,308,836.78 = 349,629,421.85/x
  3. Step 3: Cross multiply
    510,872,557.85x = 766,308,836.78 × 349,629,421.85
  4. Step 4: Simplify right side
    510,872,557.85x = 267,924,115,560,189,280
  5. Step 5: Solve for x
    x = 267,924,115,560,189,280/510,872,557.85
  6. Step 6: Final answer
    x = 524,444,132.78

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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.