Home / 453,909,148.80-680,863,723.20-270,243,139.20

Finding the Fourth Proportional to 453,909,148.80, 680,863,723.20 and 270,243,139.20

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Solution

The fourth proportional to 453,909,148.80, 680,863,723.20 and 270,243,139.20 is: 405,364,708.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,909,148.80 : 680,863,723.20 = 270,243,139.20 : x
  2. Step 2: Convert to fraction form
    453,909,148.80/680,863,723.20 = 270,243,139.20/x
  3. Step 3: Cross multiply
    453,909,148.80x = 680,863,723.20 × 270,243,139.20
  4. Step 4: Simplify right side
    453,909,148.80x = 183,998,749,924,967,872
  5. Step 5: Solve for x
    x = 183,998,749,924,967,872/453,909,148.80
  6. Step 6: Final answer
    x = 405,364,708.80

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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.