Home / 654,667,196.88-903,427,925.64-357,311,570.97

Finding the Fourth Proportional to 654,667,196.88, 903,427,925.64 and 357,311,570.97

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Solution

The fourth proportional to 654,667,196.88, 903,427,925.64 and 357,311,570.97 is: 493,082,978.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,667,196.88 : 903,427,925.64 = 357,311,570.97 : x
  2. Step 2: Convert to fraction form
    654,667,196.88/903,427,925.64 = 357,311,570.97/x
  3. Step 3: Cross multiply
    654,667,196.88x = 903,427,925.64 × 357,311,570.97
  4. Step 4: Simplify right side
    654,667,196.88x = 322,805,251,368,596,736
  5. Step 5: Solve for x
    x = 322,805,251,368,596,736/654,667,196.88
  6. Step 6: Final answer
    x = 493,082,978.51

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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.