Home / 1,088,319,423.20-1,631,434,040.40-360,933,720.80

Finding the Fourth Proportional to 1,088,319,423.20, 1,631,434,040.40 and 360,933,720.80

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Solution

The fourth proportional to 1,088,319,423.20, 1,631,434,040.40 and 360,933,720.80 is: 541,053,982.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,319,423.20 : 1,631,434,040.40 = 360,933,720.80 : x
  2. Step 2: Convert to fraction form
    1,088,319,423.20/1,631,434,040.40 = 360,933,720.80/x
  3. Step 3: Cross multiply
    1,088,319,423.20x = 1,631,434,040.40 × 360,933,720.80
  4. Step 4: Simplify right side
    1,088,319,423.20x = 588,839,558,441,349,632
  5. Step 5: Solve for x
    x = 588,839,558,441,349,632/1,088,319,423.20
  6. Step 6: Final answer
    x = 541,053,982.76

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1.5x scale

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.