Home / 1,982,492,712.76-2,974,077,857.30-817,324,263.48

Finding the Fourth Proportional to 1,982,492,712.76, 2,974,077,857.30 and 817,324,263.48

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Solution

The fourth proportional to 1,982,492,712.76, 2,974,077,857.30 and 817,324,263.48 is: 1,226,126,067.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982,492,712.76 : 2,974,077,857.30 = 817,324,263.48 : x
  2. Step 2: Convert to fraction form
    1,982,492,712.76/2,974,077,857.30 = 817,324,263.48/x
  3. Step 3: Cross multiply
    1,982,492,712.76x = 2,974,077,857.30 × 817,324,263.48
  4. Step 4: Simplify right side
    1,982,492,712.76x = 2,430,785,994,249,899,008
  5. Step 5: Solve for x
    x = 2,430,785,994,249,899,008/1,982,492,712.76
  6. Step 6: Final answer
    x = 1,226,126,067.76

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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.