Home / 806,771,694.45-1,210,509,538.22-282,517,070.75

Finding the Fourth Proportional to 806,771,694.45, 1,210,509,538.22 and 282,517,070.75

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Solution

The fourth proportional to 806,771,694.45, 1,210,509,538.22 and 282,517,070.75 is: 423,898,869.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,771,694.45 : 1,210,509,538.22 = 282,517,070.75 : x
  2. Step 2: Convert to fraction form
    806,771,694.45/1,210,509,538.22 = 282,517,070.75/x
  3. Step 3: Cross multiply
    806,771,694.45x = 1,210,509,538.22 × 282,517,070.75
  4. Step 4: Simplify right side
    806,771,694.45x = 341,989,608,845,384,448
  5. Step 5: Solve for x
    x = 341,989,608,845,384,448/806,771,694.45
  6. Step 6: Final answer
    x = 423,898,869.03

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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.