Home / 828,510,883.83-1,143,371,713.77-471,269,420.19

Finding the Fourth Proportional to 828,510,883.83, 1,143,371,713.77 and 471,269,420.19

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Solution

The fourth proportional to 828,510,883.83, 1,143,371,713.77 and 471,269,420.19 is: 650,366,983.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,510,883.83 : 1,143,371,713.77 = 471,269,420.19 : x
  2. Step 2: Convert to fraction form
    828,510,883.83/1,143,371,713.77 = 471,269,420.19/x
  3. Step 3: Cross multiply
    828,510,883.83x = 1,143,371,713.77 × 471,269,420.19
  4. Step 4: Simplify right side
    828,510,883.83x = 538,836,124,610,034,496
  5. Step 5: Solve for x
    x = 538,836,124,610,034,496/828,510,883.83
  6. Step 6: Final answer
    x = 650,366,983.86

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.