Home / 748,125,486.60-1,032,445,055.70-418,100,615.88

Finding the Fourth Proportional to 748,125,486.60, 1,032,445,055.70 and 418,100,615.88

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Solution

The fourth proportional to 748,125,486.60, 1,032,445,055.70 and 418,100,615.88 is: 576,996,668.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,125,486.60 : 1,032,445,055.70 = 418,100,615.88 : x
  2. Step 2: Convert to fraction form
    748,125,486.60/1,032,445,055.70 = 418,100,615.88/x
  3. Step 3: Cross multiply
    748,125,486.60x = 1,032,445,055.70 × 418,100,615.88
  4. Step 4: Simplify right side
    748,125,486.60x = 431,665,913,650,430,912
  5. Step 5: Solve for x
    x = 431,665,913,650,430,912/748,125,486.60
  6. Step 6: Final answer
    x = 576,996,668.85

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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.