Home / 745,416,015.40-1,118,124,023.10-200,212,661.80

Finding the Fourth Proportional to 745,416,015.40, 1,118,124,023.10 and 200,212,661.80

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Solution

The fourth proportional to 745,416,015.40, 1,118,124,023.10 and 200,212,661.80 is: 300,318,992.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,416,015.40 : 1,118,124,023.10 = 200,212,661.80 : x
  2. Step 2: Convert to fraction form
    745,416,015.40/1,118,124,023.10 = 200,212,661.80/x
  3. Step 3: Cross multiply
    745,416,015.40x = 1,118,124,023.10 × 200,212,661.80
  4. Step 4: Simplify right side
    745,416,015.40x = 223,862,586,887,375,680
  5. Step 5: Solve for x
    x = 223,862,586,887,375,680/745,416,015.40
  6. Step 6: Final answer
    x = 300,318,992.70

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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.