Home / 696,842,202.69-961,667,616.51-379,287,101.88

Finding the Fourth Proportional to 696,842,202.69, 961,667,616.51 and 379,287,101.88

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Solution

The fourth proportional to 696,842,202.69, 961,667,616.51 and 379,287,101.88 is: 523,430,013.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,842,202.69 : 961,667,616.51 = 379,287,101.88 : x
  2. Step 2: Convert to fraction form
    696,842,202.69/961,667,616.51 = 379,287,101.88/x
  3. Step 3: Cross multiply
    696,842,202.69x = 961,667,616.51 × 379,287,101.88
  4. Step 4: Simplify right side
    696,842,202.69x = 364,748,123,237,925,120
  5. Step 5: Solve for x
    x = 364,748,123,237,925,120/696,842,202.69
  6. Step 6: Final answer
    x = 523,430,013.04

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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.