Home / 403,168,944,366.60-556,373,366,419.24-217,770,652,387.88

Finding the Fourth Proportional to 403,168,944,366.60, 556,373,366,419.24 and 217,770,652,387.88

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Solution

The fourth proportional to 403,168,944,366.60, 556,373,366,419.24 and 217,770,652,387.88 is: 300,523,620,852.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,168,944,366.60 : 556,373,366,419.24 = 217,770,652,387.88 : x
  2. Step 2: Convert to fraction form
    403,168,944,366.60/556,373,366,419.24 = 217,770,652,387.88/x
  3. Step 3: Cross multiply
    403,168,944,366.60x = 556,373,366,419.24 × 217,770,652,387.88
  4. Step 4: Simplify right side
    403,168,944,366.60x = 121,161,790,976,358,908,690,432
  5. Step 5: Solve for x
    x = 121,161,790,976,358,908,690,432/403,168,944,366.60
  6. Step 6: Final answer
    x = 300,523,620,852.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.