Home / 527,909,043.60-792,147,000.60-221,232,157.20

Finding the Fourth Proportional to 527,909,043.60, 792,147,000.60 and 221,232,157.20

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Solution

The fourth proportional to 527,909,043.60, 792,147,000.60 and 221,232,157.20 is: 331,967,015.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,909,043.60 : 792,147,000.60 = 221,232,157.20 : x
  2. Step 2: Convert to fraction form
    527,909,043.60/792,147,000.60 = 221,232,157.20/x
  3. Step 3: Cross multiply
    527,909,043.60x = 792,147,000.60 × 221,232,157.20
  4. Step 4: Simplify right side
    527,909,043.60x = 175,248,389,762,247,680
  5. Step 5: Solve for x
    x = 175,248,389,762,247,680/527,909,043.60
  6. Step 6: Final answer
    x = 331,967,015.69

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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.