Home / 821,730,352.46-1,133,866,814.28-499,694,033.84

Finding the Fourth Proportional to 821,730,352.46, 1,133,866,814.28 and 499,694,033.84

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Solution

The fourth proportional to 821,730,352.46, 1,133,866,814.28 and 499,694,033.84 is: 689,504,142.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,730,352.46 : 1,133,866,814.28 = 499,694,033.84 : x
  2. Step 2: Convert to fraction form
    821,730,352.46/1,133,866,814.28 = 499,694,033.84/x
  3. Step 3: Cross multiply
    821,730,352.46x = 1,133,866,814.28 × 499,694,033.84
  4. Step 4: Simplify right side
    821,730,352.46x = 566,586,482,259,213,952
  5. Step 5: Solve for x
    x = 566,586,482,259,213,952/821,730,352.46
  6. Step 6: Final answer
    x = 689,504,142.77

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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.