Home / 243,577,491.60-365,366,237.40-197,660,989.20

Finding the Fourth Proportional to 243,577,491.60, 365,366,237.40 and 197,660,989.20

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Solution

The fourth proportional to 243,577,491.60, 365,366,237.40 and 197,660,989.20 is: 296,491,483.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,577,491.60 : 365,366,237.40 = 197,660,989.20 : x
  2. Step 2: Convert to fraction form
    243,577,491.60/365,366,237.40 = 197,660,989.20/x
  3. Step 3: Cross multiply
    243,577,491.60x = 365,366,237.40 × 197,660,989.20
  4. Step 4: Simplify right side
    243,577,491.60x = 72,218,651,904,766,032
  5. Step 5: Solve for x
    x = 72,218,651,904,766,032/243,577,491.60
  6. Step 6: Final answer
    x = 296,491,483.80

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1.5x scale

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.