Home / 397,693,451.12-548,883,746.86-230,534,275.64

Finding the Fourth Proportional to 397,693,451.12, 548,883,746.86 and 230,534,275.64

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Solution

The fourth proportional to 397,693,451.12, 548,883,746.86 and 230,534,275.64 is: 318,176,013.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,693,451.12 : 548,883,746.86 = 230,534,275.64 : x
  2. Step 2: Convert to fraction form
    397,693,451.12/548,883,746.86 = 230,534,275.64/x
  3. Step 3: Cross multiply
    397,693,451.12x = 548,883,746.86 × 230,534,275.64
  4. Step 4: Simplify right side
    397,693,451.12x = 126,536,516,992,939,216
  5. Step 5: Solve for x
    x = 126,536,516,992,939,216/397,693,451.12
  6. Step 6: Final answer
    x = 318,176,013.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.