Home / 1,109,744,876.34-1,531,447,798.14-663,708,170.79

Finding the Fourth Proportional to 1,109,744,876.34, 1,531,447,798.14 and 663,708,170.79

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Solution

The fourth proportional to 1,109,744,876.34, 1,531,447,798.14 and 663,708,170.79 is: 915,917,197.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,744,876.34 : 1,531,447,798.14 = 663,708,170.79 : x
  2. Step 2: Convert to fraction form
    1,109,744,876.34/1,531,447,798.14 = 663,708,170.79/x
  3. Step 3: Cross multiply
    1,109,744,876.34x = 1,531,447,798.14 × 663,708,170.79
  4. Step 4: Simplify right side
    1,109,744,876.34x = 1,016,434,416,763,872,512
  5. Step 5: Solve for x
    x = 1,016,434,416,763,872,512/1,109,744,876.34
  6. Step 6: Final answer
    x = 915,917,197.22

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Double scale
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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.