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Finding the Fourth Proportional to 488,721,938.90, 733,082,908.35 and 488,721,938.90

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Solution

The fourth proportional to 488,721,938.90, 733,082,908.35 and 488,721,938.90 is: 733,082,908.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,721,938.90 : 733,082,908.35 = 488,721,938.90 : x
  2. Step 2: Convert to fraction form
    488,721,938.90/733,082,908.35 = 488,721,938.90/x
  3. Step 3: Cross multiply
    488,721,938.90x = 733,082,908.35 × 488,721,938.90
  4. Step 4: Simplify right side
    488,721,938.90x = 358,273,700,343,262,976
  5. Step 5: Solve for x
    x = 358,273,700,343,262,976/488,721,938.90
  6. Step 6: Final answer
    x = 733,082,908.35

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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.