Home / 510,872,511.60-766,308,767.40-349,629,375.60

Finding the Fourth Proportional to 510,872,511.60, 766,308,767.40 and 349,629,375.60

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Solution

The fourth proportional to 510,872,511.60, 766,308,767.40 and 349,629,375.60 is: 524,444,063.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,872,511.60 : 766,308,767.40 = 349,629,375.60 : x
  2. Step 2: Convert to fraction form
    510,872,511.60/766,308,767.40 = 349,629,375.60/x
  3. Step 3: Cross multiply
    510,872,511.60x = 766,308,767.40 × 349,629,375.60
  4. Step 4: Simplify right side
    510,872,511.60x = 267,924,055,862,867,648
  5. Step 5: Solve for x
    x = 267,924,055,862,867,648/510,872,511.60
  6. Step 6: Final answer
    x = 524,444,063.40

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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.