Home / 820,254,592.80-1,229,386,561.20-474,544,000.80

Finding the Fourth Proportional to 820,254,592.80, 1,229,386,561.20 and 474,544,000.80

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Solution

The fourth proportional to 820,254,592.80, 1,229,386,561.20 and 474,544,000.80 is: 711,240,171.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,254,592.80 : 1,229,386,561.20 = 474,544,000.80 : x
  2. Step 2: Convert to fraction form
    820,254,592.80/1,229,386,561.20 = 474,544,000.80/x
  3. Step 3: Cross multiply
    820,254,592.80x = 1,229,386,561.20 × 474,544,000.80
  4. Step 4: Simplify right side
    820,254,592.80x = 583,398,017,281,602,048
  5. Step 5: Solve for x
    x = 583,398,017,281,602,048/820,254,592.80
  6. Step 6: Final answer
    x = 711,240,171.53

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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.