Home / 387,079,479.40-580,619,219.10-250,022,813.80

Finding the Fourth Proportional to 387,079,479.40, 580,619,219.10 and 250,022,813.80

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Solution

The fourth proportional to 387,079,479.40, 580,619,219.10 and 250,022,813.80 is: 375,034,220.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,079,479.40 : 580,619,219.10 = 250,022,813.80 : x
  2. Step 2: Convert to fraction form
    387,079,479.40/580,619,219.10 = 250,022,813.80/x
  3. Step 3: Cross multiply
    387,079,479.40x = 580,619,219.10 × 250,022,813.80
  4. Step 4: Simplify right side
    387,079,479.40x = 145,168,050,905,740,704
  5. Step 5: Solve for x
    x = 145,168,050,905,740,704/387,079,479.40
  6. Step 6: Final answer
    x = 375,034,220.70

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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.