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Finding the Fourth Proportional to 677,751,215.10, 1,016,626,822.65 and 649,053,401.10

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Solution

The fourth proportional to 677,751,215.10, 1,016,626,822.65 and 649,053,401.10 is: 973,580,101.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,751,215.10 : 1,016,626,822.65 = 649,053,401.10 : x
  2. Step 2: Convert to fraction form
    677,751,215.10/1,016,626,822.65 = 649,053,401.10/x
  3. Step 3: Cross multiply
    677,751,215.10x = 1,016,626,822.65 × 649,053,401.10
  4. Step 4: Simplify right side
    677,751,215.10x = 659,845,096,890,468,992
  5. Step 5: Solve for x
    x = 659,845,096,890,468,992/677,751,215.10
  6. Step 6: Final answer
    x = 973,580,101.65

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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.