Home / 821,730,353.94-1,133,866,816.35-499,694,035.32

Finding the Fourth Proportional to 821,730,353.94, 1,133,866,816.35 and 499,694,035.32

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Solution

The fourth proportional to 821,730,353.94, 1,133,866,816.35 and 499,694,035.32 is: 689,504,144.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,730,353.94 : 1,133,866,816.35 = 499,694,035.32 : x
  2. Step 2: Convert to fraction form
    821,730,353.94/1,133,866,816.35 = 499,694,035.32/x
  3. Step 3: Cross multiply
    821,730,353.94x = 1,133,866,816.35 × 499,694,035.32
  4. Step 4: Simplify right side
    821,730,353.94x = 566,586,484,977,372,800
  5. Step 5: Solve for x
    x = 566,586,484,977,372,800/821,730,353.94
  6. Step 6: Final answer
    x = 689,504,144.83

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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.