Home / 1,224,569,836.77-1,689,857,700.00-722,940,209.97

Finding the Fourth Proportional to 1,224,569,836.77, 1,689,857,700.00 and 722,940,209.97

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Solution

The fourth proportional to 1,224,569,836.77, 1,689,857,700.00 and 722,940,209.97 is: 997,628,754.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,569,836.77 : 1,689,857,700.00 = 722,940,209.97 : x
  2. Step 2: Convert to fraction form
    1,224,569,836.77/1,689,857,700.00 = 722,940,209.97/x
  3. Step 3: Cross multiply
    1,224,569,836.77x = 1,689,857,700.00 × 722,940,209.97
  4. Step 4: Simplify right side
    1,224,569,836.77x = 1,221,666,080,465,434,880
  5. Step 5: Solve for x
    x = 1,221,666,080,465,434,880/1,224,569,836.77
  6. Step 6: Final answer
    x = 997,628,754.01

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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.