Home / 900,420,081.27-1,350,387,135.27-318,077,662.29

Finding the Fourth Proportional to 900,420,081.27, 1,350,387,135.27 and 318,077,662.29

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Solution

The fourth proportional to 900,420,081.27, 1,350,387,135.27 and 318,077,662.29 is: 477,030,657.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,420,081.27 : 1,350,387,135.27 = 318,077,662.29 : x
  2. Step 2: Convert to fraction form
    900,420,081.27/1,350,387,135.27 = 318,077,662.29/x
  3. Step 3: Cross multiply
    900,420,081.27x = 1,350,387,135.27 × 318,077,662.29
  4. Step 4: Simplify right side
    900,420,081.27x = 429,527,983,173,171,648
  5. Step 5: Solve for x
    x = 429,527,983,173,171,648/900,420,081.27
  6. Step 6: Final answer
    x = 477,030,657.25

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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.