Home / 373,248,019.80-559,872,029.70-209,317,498.20

Finding the Fourth Proportional to 373,248,019.80, 559,872,029.70 and 209,317,498.20

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Solution

The fourth proportional to 373,248,019.80, 559,872,029.70 and 209,317,498.20 is: 313,976,247.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,248,019.80 : 559,872,029.70 = 209,317,498.20 : x
  2. Step 2: Convert to fraction form
    373,248,019.80/559,872,029.70 = 209,317,498.20/x
  3. Step 3: Cross multiply
    373,248,019.80x = 559,872,029.70 × 209,317,498.20
  4. Step 4: Simplify right side
    373,248,019.80x = 117,191,012,568,960,096
  5. Step 5: Solve for x
    x = 117,191,012,568,960,096/373,248,019.80
  6. Step 6: Final answer
    x = 313,976,247.30

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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.