Home / 247,281,543.20-370,922,314.80-217,048,455.20

Finding the Fourth Proportional to 247,281,543.20, 370,922,314.80 and 217,048,455.20

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Solution

The fourth proportional to 247,281,543.20, 370,922,314.80 and 217,048,455.20 is: 325,572,682.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,281,543.20 : 370,922,314.80 = 217,048,455.20 : x
  2. Step 2: Convert to fraction form
    247,281,543.20/370,922,314.80 = 217,048,455.20/x
  3. Step 3: Cross multiply
    247,281,543.20x = 370,922,314.80 × 217,048,455.20
  4. Step 4: Simplify right side
    247,281,543.20x = 80,508,115,426,548,096
  5. Step 5: Solve for x
    x = 80,508,115,426,548,096/247,281,543.20
  6. Step 6: Final answer
    x = 325,572,682.80

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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.