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Finding the Fourth Proportional to 553,592,414.80, 829,821,751.80 and 323,443,032.40

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Solution

The fourth proportional to 553,592,414.80, 829,821,751.80 and 323,443,032.40 is: 484,833,347.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,592,414.80 : 829,821,751.80 = 323,443,032.40 : x
  2. Step 2: Convert to fraction form
    553,592,414.80/829,821,751.80 = 323,443,032.40/x
  3. Step 3: Cross multiply
    553,592,414.80x = 829,821,751.80 × 323,443,032.40
  4. Step 4: Simplify right side
    553,592,414.80x = 268,400,063,753,672,128
  5. Step 5: Solve for x
    x = 268,400,063,753,672,128/553,592,414.80
  6. Step 6: Final answer
    x = 484,833,347.74

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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.