Home / 640,719,200,486.80-884,193,372,258.60-347,744,127,819.10

Finding the Fourth Proportional to 640,719,200,486.80, 884,193,372,258.60 and 347,744,127,819.10

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Solution

The fourth proportional to 640,719,200,486.80, 884,193,372,258.60 and 347,744,127,819.10 is: 479,887,371,606.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,719,200,486.80 : 884,193,372,258.60 = 347,744,127,819.10 : x
  2. Step 2: Convert to fraction form
    640,719,200,486.80/884,193,372,258.60 = 347,744,127,819.10/x
  3. Step 3: Cross multiply
    640,719,200,486.80x = 884,193,372,258.60 × 347,744,127,819.10
  4. Step 4: Simplify right side
    640,719,200,486.80x = 307,473,053,059,495,653,015,552
  5. Step 5: Solve for x
    x = 307,473,053,059,495,653,015,552/640,719,200,486.80
  6. Step 6: Final answer
    x = 479,887,371,606.61

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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.