Home / 997,279,446.52-1,376,221,612.44-545,137,316.92

Finding the Fourth Proportional to 997,279,446.52, 1,376,221,612.44 and 545,137,316.92

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Solution

The fourth proportional to 997,279,446.52, 1,376,221,612.44 and 545,137,316.92 is: 752,276,365.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,279,446.52 : 1,376,221,612.44 = 545,137,316.92 : x
  2. Step 2: Convert to fraction form
    997,279,446.52/1,376,221,612.44 = 545,137,316.92/x
  3. Step 3: Cross multiply
    997,279,446.52x = 1,376,221,612.44 × 545,137,316.92
  4. Step 4: Simplify right side
    997,279,446.52x = 750,229,757,292,857,728
  5. Step 5: Solve for x
    x = 750,229,757,292,857,728/997,279,446.52
  6. Step 6: Final answer
    x = 752,276,365.38

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Double scale
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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.