Home / 485,111,541.60-727,667,312.40-194,118,069.60

Finding the Fourth Proportional to 485,111,541.60, 727,667,312.40 and 194,118,069.60

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Solution

The fourth proportional to 485,111,541.60, 727,667,312.40 and 194,118,069.60 is: 291,177,104.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,111,541.60 : 727,667,312.40 = 194,118,069.60 : x
  2. Step 2: Convert to fraction form
    485,111,541.60/727,667,312.40 = 194,118,069.60/x
  3. Step 3: Cross multiply
    485,111,541.60x = 727,667,312.40 × 194,118,069.60
  4. Step 4: Simplify right side
    485,111,541.60x = 141,253,373,994,108,128
  5. Step 5: Solve for x
    x = 141,253,373,994,108,128/485,111,541.60
  6. Step 6: Final answer
    x = 291,177,104.40

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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.