Home / 527,966,472.30-792,044,186.85-221,289,585.90

Finding the Fourth Proportional to 527,966,472.30, 792,044,186.85 and 221,289,585.90

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Solution

The fourth proportional to 527,966,472.30, 792,044,186.85 and 221,289,585.90 is: 331,973,978.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,966,472.30 : 792,044,186.85 = 221,289,585.90 : x
  2. Step 2: Convert to fraction form
    527,966,472.30/792,044,186.85 = 221,289,585.90/x
  3. Step 3: Cross multiply
    527,966,472.30x = 792,044,186.85 × 221,289,585.90
  4. Step 4: Simplify right side
    527,966,472.30x = 175,271,130,122,538,720
  5. Step 5: Solve for x
    x = 175,271,130,122,538,720/527,966,472.30
  6. Step 6: Final answer
    x = 331,973,978.12

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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.