Home / 821,730,382.02-1,133,866,855.02-499,694,063.40

Finding the Fourth Proportional to 821,730,382.02, 1,133,866,855.02 and 499,694,063.40

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Solution

The fourth proportional to 821,730,382.02, 1,133,866,855.02 and 499,694,063.40 is: 689,504,183.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,730,382.02 : 1,133,866,855.02 = 499,694,063.40 : x
  2. Step 2: Convert to fraction form
    821,730,382.02/1,133,866,855.02 = 499,694,063.40/x
  3. Step 3: Cross multiply
    821,730,382.02x = 1,133,866,855.02 × 499,694,063.40
  4. Step 4: Simplify right side
    821,730,382.02x = 566,586,536,139,522,432
  5. Step 5: Solve for x
    x = 566,586,536,139,522,432/821,730,382.02
  6. Step 6: Final answer
    x = 689,504,183.53

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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.