Home / 1,982,492,711.76-2,974,077,855.80-817,324,262.48

Finding the Fourth Proportional to 1,982,492,711.76, 2,974,077,855.80 and 817,324,262.48

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Solution

The fourth proportional to 1,982,492,711.76, 2,974,077,855.80 and 817,324,262.48 is: 1,226,126,066.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982,492,711.76 : 2,974,077,855.80 = 817,324,262.48 : x
  2. Step 2: Convert to fraction form
    1,982,492,711.76/2,974,077,855.80 = 817,324,262.48/x
  3. Step 3: Cross multiply
    1,982,492,711.76x = 2,974,077,855.80 × 817,324,262.48
  4. Step 4: Simplify right side
    1,982,492,711.76x = 2,430,785,990,049,835,008
  5. Step 5: Solve for x
    x = 2,430,785,990,049,835,008/1,982,492,711.76
  6. Step 6: Final answer
    x = 1,226,126,066.26

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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.