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Finding the Fourth Proportional to 497,988,009.30, 745,638,321.15 and 497,988,009.30

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Solution

The fourth proportional to 497,988,009.30, 745,638,321.15 and 497,988,009.30 is: 745,638,321.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,988,009.30 : 745,638,321.15 = 497,988,009.30 : x
  2. Step 2: Convert to fraction form
    497,988,009.30/745,638,321.15 = 497,988,009.30/x
  3. Step 3: Cross multiply
    497,988,009.30x = 745,638,321.15 × 497,988,009.30
  4. Step 4: Simplify right side
    497,988,009.30x = 371,318,943,207,282,560
  5. Step 5: Solve for x
    x = 371,318,943,207,282,560/497,988,009.30
  6. Step 6: Final answer
    x = 745,638,321.15

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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.