Home / 485,111,521.60-727,667,282.40-194,118,049.60

Finding the Fourth Proportional to 485,111,521.60, 727,667,282.40 and 194,118,049.60

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Solution

The fourth proportional to 485,111,521.60, 727,667,282.40 and 194,118,049.60 is: 291,177,074.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,111,521.60 : 727,667,282.40 = 194,118,049.60 : x
  2. Step 2: Convert to fraction form
    485,111,521.60/727,667,282.40 = 194,118,049.60/x
  3. Step 3: Cross multiply
    485,111,521.60x = 727,667,282.40 × 194,118,049.60
  4. Step 4: Simplify right side
    485,111,521.60x = 141,253,353,617,220,400
  5. Step 5: Solve for x
    x = 141,253,353,617,220,400/485,111,521.60
  6. Step 6: Final answer
    x = 291,177,074.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.