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Finding the Fourth Proportional to 622,891,988.74, 934,337,983.11 and 622,891,988.74

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Solution

The fourth proportional to 622,891,988.74, 934,337,983.11 and 622,891,988.74 is: 934,337,983.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,891,988.74 : 934,337,983.11 = 622,891,988.74 : x
  2. Step 2: Convert to fraction form
    622,891,988.74/934,337,983.11 = 622,891,988.74/x
  3. Step 3: Cross multiply
    622,891,988.74x = 934,337,983.11 × 622,891,988.74
  4. Step 4: Simplify right side
    622,891,988.74x = 581,991,644,450,036,736
  5. Step 5: Solve for x
    x = 581,991,644,450,036,736/622,891,988.74
  6. Step 6: Final answer
    x = 934,337,983.11

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1.5x scale

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.