Home / 527,448,003.60-791,172,005.40-345,800,643.60

Finding the Fourth Proportional to 527,448,003.60, 791,172,005.40 and 345,800,643.60

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Solution

The fourth proportional to 527,448,003.60, 791,172,005.40 and 345,800,643.60 is: 518,700,965.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,448,003.60 : 791,172,005.40 = 345,800,643.60 : x
  2. Step 2: Convert to fraction form
    527,448,003.60/791,172,005.40 = 345,800,643.60/x
  3. Step 3: Cross multiply
    527,448,003.60x = 791,172,005.40 × 345,800,643.60
  4. Step 4: Simplify right side
    527,448,003.60x = 273,587,788,665,622,688
  5. Step 5: Solve for x
    x = 273,587,788,665,622,688/527,448,003.60
  6. Step 6: Final answer
    x = 518,700,965.40

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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.