Home / 918,352,706.20-1,377,529,059.30-373,485,275.80

Finding the Fourth Proportional to 918,352,706.20, 1,377,529,059.30 and 373,485,275.80

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Solution

The fourth proportional to 918,352,706.20, 1,377,529,059.30 and 373,485,275.80 is: 560,227,913.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,352,706.20 : 1,377,529,059.30 = 373,485,275.80 : x
  2. Step 2: Convert to fraction form
    918,352,706.20/1,377,529,059.30 = 373,485,275.80/x
  3. Step 3: Cross multiply
    918,352,706.20x = 1,377,529,059.30 × 373,485,275.80
  4. Step 4: Simplify right side
    918,352,706.20x = 514,486,820,635,175,040
  5. Step 5: Solve for x
    x = 514,486,820,635,175,040/918,352,706.20
  6. Step 6: Final answer
    x = 560,227,913.70

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Similar ratio
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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.