Home / 403,168,969,217.64-556,373,400,746.55-217,770,677,340.42

Finding the Fourth Proportional to 403,168,969,217.64, 556,373,400,746.55 and 217,770,677,340.42

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Solution

The fourth proportional to 403,168,969,217.64, 556,373,400,746.55 and 217,770,677,340.42 is: 300,523,655,304.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,168,969,217.64 : 556,373,400,746.55 = 217,770,677,340.42 : x
  2. Step 2: Convert to fraction form
    403,168,969,217.64/556,373,400,746.55 = 217,770,677,340.42/x
  3. Step 3: Cross multiply
    403,168,969,217.64x = 556,373,400,746.55 × 217,770,677,340.42
  4. Step 4: Simplify right side
    403,168,969,217.64x = 121,161,812,334,769,143,283,712
  5. Step 5: Solve for x
    x = 121,161,812,334,769,143,283,712/403,168,969,217.64
  6. Step 6: Final answer
    x = 300,523,655,304.84

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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.