Home / 388,656,393.70-582,990,811.35-101,442,057.70

Finding the Fourth Proportional to 388,656,393.70, 582,990,811.35 and 101,442,057.70

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Solution

The fourth proportional to 388,656,393.70, 582,990,811.35 and 101,442,057.70 is: 152,164,710.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,656,393.70 : 582,990,811.35 = 101,442,057.70 : x
  2. Step 2: Convert to fraction form
    388,656,393.70/582,990,811.35 = 101,442,057.70/x
  3. Step 3: Cross multiply
    388,656,393.70x = 582,990,811.35 × 101,442,057.70
  4. Step 4: Simplify right side
    388,656,393.70x = 59,139,787,523,536,520
  5. Step 5: Solve for x
    x = 59,139,787,523,536,520/388,656,393.70
  6. Step 6: Final answer
    x = 152,164,710.22

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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.