Home / 1,398,598,992.30-2,098,654,315.65-622,364,457.90

Finding the Fourth Proportional to 1,398,598,992.30, 2,098,654,315.65 and 622,364,457.90

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Solution

The fourth proportional to 1,398,598,992.30, 2,098,654,315.65 and 622,364,457.90 is: 933,883,023.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,598,992.30 : 2,098,654,315.65 = 622,364,457.90 : x
  2. Step 2: Convert to fraction form
    1,398,598,992.30/2,098,654,315.65 = 622,364,457.90/x
  3. Step 3: Cross multiply
    1,398,598,992.30x = 2,098,654,315.65 × 622,364,457.90
  4. Step 4: Simplify right side
    1,398,598,992.30x = 1,306,127,855,479,007,744
  5. Step 5: Solve for x
    x = 1,306,127,855,479,007,744/1,398,598,992.30
  6. Step 6: Final answer
    x = 933,883,023.42

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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.