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Finding the Fourth Proportional to 708,676,814.10, 1,063,015,221.15 and 708,676,814.10

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Solution

The fourth proportional to 708,676,814.10, 1,063,015,221.15 and 708,676,814.10 is: 1,063,015,221.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,676,814.10 : 1,063,015,221.15 = 708,676,814.10 : x
  2. Step 2: Convert to fraction form
    708,676,814.10/1,063,015,221.15 = 708,676,814.10/x
  3. Step 3: Cross multiply
    708,676,814.10x = 1,063,015,221.15 × 708,676,814.10
  4. Step 4: Simplify right side
    708,676,814.10x = 753,334,240,264,388,992
  5. Step 5: Solve for x
    x = 753,334,240,264,388,992/708,676,814.10
  6. Step 6: Final answer
    x = 1,063,015,221.15

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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.