Home / 1,017,239,020.86-1,523,633,889.95-721,236,903.00

Finding the Fourth Proportional to 1,017,239,020.86, 1,523,633,889.95 and 721,236,903.00

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Solution

The fourth proportional to 1,017,239,020.86, 1,523,633,889.95 and 721,236,903.00 is: 1,080,278,052.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,239,020.86 : 1,523,633,889.95 = 721,236,903.00 : x
  2. Step 2: Convert to fraction form
    1,017,239,020.86/1,523,633,889.95 = 721,236,903.00/x
  3. Step 3: Cross multiply
    1,017,239,020.86x = 1,523,633,889.95 × 721,236,903.00
  4. Step 4: Simplify right side
    1,017,239,020.86x = 1,098,900,988,090,840,704
  5. Step 5: Solve for x
    x = 1,098,900,988,090,840,704/1,017,239,020.86
  6. Step 6: Final answer
    x = 1,080,278,052.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.