Home / 820,254,595.80-1,229,386,565.70-474,544,003.80

Finding the Fourth Proportional to 820,254,595.80, 1,229,386,565.70 and 474,544,003.80

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Solution

The fourth proportional to 820,254,595.80, 1,229,386,565.70 and 474,544,003.80 is: 711,240,176.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,254,595.80 : 1,229,386,565.70 = 474,544,003.80 : x
  2. Step 2: Convert to fraction form
    820,254,595.80/1,229,386,565.70 = 474,544,003.80/x
  3. Step 3: Cross multiply
    820,254,595.80x = 1,229,386,565.70 × 474,544,003.80
  4. Step 4: Simplify right side
    820,254,595.80x = 583,398,023,105,209,728
  5. Step 5: Solve for x
    x = 583,398,023,105,209,728/820,254,595.80
  6. Step 6: Final answer
    x = 711,240,176.03

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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.