Home / 1,398,599,019.30-2,098,654,356.15-622,364,484.90

Finding the Fourth Proportional to 1,398,599,019.30, 2,098,654,356.15 and 622,364,484.90

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Solution

The fourth proportional to 1,398,599,019.30, 2,098,654,356.15 and 622,364,484.90 is: 933,883,063.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,599,019.30 : 2,098,654,356.15 = 622,364,484.90 : x
  2. Step 2: Convert to fraction form
    1,398,599,019.30/2,098,654,356.15 = 622,364,484.90/x
  3. Step 3: Cross multiply
    1,398,599,019.30x = 2,098,654,356.15 × 622,364,484.90
  4. Step 4: Simplify right side
    1,398,599,019.30x = 1,306,127,937,348,435,968
  5. Step 5: Solve for x
    x = 1,306,127,937,348,435,968/1,398,599,019.30
  6. Step 6: Final answer
    x = 933,883,063.93

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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.