Home / 359,488,023.40-539,232,035.10-206,433,015.40

Finding the Fourth Proportional to 359,488,023.40, 539,232,035.10 and 206,433,015.40

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Solution

The fourth proportional to 359,488,023.40, 539,232,035.10 and 206,433,015.40 is: 309,649,523.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,488,023.40 : 539,232,035.10 = 206,433,015.40 : x
  2. Step 2: Convert to fraction form
    359,488,023.40/539,232,035.10 = 206,433,015.40/x
  3. Step 3: Cross multiply
    359,488,023.40x = 539,232,035.10 × 206,433,015.40
  4. Step 4: Simplify right side
    359,488,023.40x = 111,315,295,005,971,648
  5. Step 5: Solve for x
    x = 111,315,295,005,971,648/359,488,023.40
  6. Step 6: Final answer
    x = 309,649,523.10

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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.