Home / 6,319,517,123.12-8,717,627,276.10-3,907,428,560.78

Finding the Fourth Proportional to 6,319,517,123.12, 8,717,627,276.10 and 3,907,428,560.78

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Solution

The fourth proportional to 6,319,517,123.12, 8,717,627,276.10 and 3,907,428,560.78 is: 5,390,207,058.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,319,517,123.12 : 8,717,627,276.10 = 3,907,428,560.78 : x
  2. Step 2: Convert to fraction form
    6,319,517,123.12/8,717,627,276.10 = 3,907,428,560.78/x
  3. Step 3: Cross multiply
    6,319,517,123.12x = 8,717,627,276.10 × 3,907,428,560.78
  4. Step 4: Simplify right side
    6,319,517,123.12x = 34,063,505,800,824,307,712
  5. Step 5: Solve for x
    x = 34,063,505,800,824,307,712/6,319,517,123.12
  6. Step 6: Final answer
    x = 5,390,207,058.10

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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.