Home / 376,474,318.31-519,547,160.59-209,217,629.12

Finding the Fourth Proportional to 376,474,318.31, 519,547,160.59 and 209,217,629.12

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Solution

The fourth proportional to 376,474,318.31, 519,547,160.59 and 209,217,629.12 is: 288,727,331.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,474,318.31 : 519,547,160.59 = 209,217,629.12 : x
  2. Step 2: Convert to fraction form
    376,474,318.31/519,547,160.59 = 209,217,629.12/x
  3. Step 3: Cross multiply
    376,474,318.31x = 519,547,160.59 × 209,217,629.12
  4. Step 4: Simplify right side
    376,474,318.31x = 108,698,425,151,023,872
  5. Step 5: Solve for x
    x = 108,698,425,151,023,872/376,474,318.31
  6. Step 6: Final answer
    x = 288,727,331.09

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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.