Home / 1,016,784,000.20-1,525,176,000.30-289,678,233.80

Finding the Fourth Proportional to 1,016,784,000.20, 1,525,176,000.30 and 289,678,233.80

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Solution

The fourth proportional to 1,016,784,000.20, 1,525,176,000.30 and 289,678,233.80 is: 434,517,350.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,784,000.20 : 1,525,176,000.30 = 289,678,233.80 : x
  2. Step 2: Convert to fraction form
    1,016,784,000.20/1,525,176,000.30 = 289,678,233.80/x
  3. Step 3: Cross multiply
    1,016,784,000.20x = 1,525,176,000.30 × 289,678,233.80
  4. Step 4: Simplify right side
    1,016,784,000.20x = 441,810,290,001,052,288
  5. Step 5: Solve for x
    x = 441,810,290,001,052,288/1,016,784,000.20
  6. Step 6: Final answer
    x = 434,517,350.70

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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.