Home / 1,080,159,883-1,490,860,438.92-656,683,561.04

Finding the Fourth Proportional to 1,080,159,883, 1,490,860,438.92 and 656,683,561.04

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Solution

The fourth proportional to 1,080,159,883, 1,490,860,438.92 and 656,683,561.04 is: 906,369,100.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,159,883 : 1,490,860,438.92 = 656,683,561.04 : x
  2. Step 2: Convert to fraction form
    1,080,159,883/1,490,860,438.92 = 656,683,561.04/x
  3. Step 3: Cross multiply
    1,080,159,883x = 1,490,860,438.92 × 656,683,561.04
  4. Step 4: Simplify right side
    1,080,159,883x = 979,023,542,043,643,008
  5. Step 5: Solve for x
    x = 979,023,542,043,643,008/1,080,159,883
  6. Step 6: Final answer
    x = 906,369,100.96

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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.