Home / 997,279,447.52-1,376,221,613.82-545,137,317.92

Finding the Fourth Proportional to 997,279,447.52, 1,376,221,613.82 and 545,137,317.92

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Solution

The fourth proportional to 997,279,447.52, 1,376,221,613.82 and 545,137,317.92 is: 752,276,366.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,279,447.52 : 1,376,221,613.82 = 545,137,317.92 : x
  2. Step 2: Convert to fraction form
    997,279,447.52/1,376,221,613.82 = 545,137,317.92/x
  3. Step 3: Cross multiply
    997,279,447.52x = 1,376,221,613.82 × 545,137,317.92
  4. Step 4: Simplify right side
    997,279,447.52x = 750,229,759,421,368,704
  5. Step 5: Solve for x
    x = 750,229,759,421,368,704/997,279,447.52
  6. Step 6: Final answer
    x = 752,276,366.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.