Home / 486,851,716-730,269,774.61-154,853,904.89

Finding the Fourth Proportional to 486,851,716, 730,269,774.61 and 154,853,904.89

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Solution

The fourth proportional to 486,851,716, 730,269,774.61 and 154,853,904.89 is: 232,278,376.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,851,716 : 730,269,774.61 = 154,853,904.89 : x
  2. Step 2: Convert to fraction form
    486,851,716/730,269,774.61 = 154,853,904.89/x
  3. Step 3: Cross multiply
    486,851,716x = 730,269,774.61 × 154,853,904.89
  4. Step 4: Simplify right side
    486,851,716x = 113,085,126,221,498,672
  5. Step 5: Solve for x
    x = 113,085,126,221,498,672/486,851,716
  6. Step 6: Final answer
    x = 232,278,376.57

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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.