Home / 373,573,837.20-559,604,928.60-258,688,102.80

Finding the Fourth Proportional to 373,573,837.20, 559,604,928.60 and 258,688,102.80

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Solution

The fourth proportional to 373,573,837.20, 559,604,928.60 and 258,688,102.80 is: 387,508,767.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,573,837.20 : 559,604,928.60 = 258,688,102.80 : x
  2. Step 2: Convert to fraction form
    373,573,837.20/559,604,928.60 = 258,688,102.80/x
  3. Step 3: Cross multiply
    373,573,837.20x = 559,604,928.60 × 258,688,102.80
  4. Step 4: Simplify right side
    373,573,837.20x = 144,763,137,297,063,488
  5. Step 5: Solve for x
    x = 144,763,137,297,063,488/373,573,837.20
  6. Step 6: Final answer
    x = 387,508,767.70

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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.