Home / 488,007,857.28-673,426,594.80-276,281,762.88

Finding the Fourth Proportional to 488,007,857.28, 673,426,594.80 and 276,281,762.88

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Solution

The fourth proportional to 488,007,857.28, 673,426,594.80 and 276,281,762.88 is: 381,255,104.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,007,857.28 : 673,426,594.80 = 276,281,762.88 : x
  2. Step 2: Convert to fraction form
    488,007,857.28/673,426,594.80 = 276,281,762.88/x
  3. Step 3: Cross multiply
    488,007,857.28x = 673,426,594.80 × 276,281,762.88
  4. Step 4: Simplify right side
    488,007,857.28x = 186,055,486,781,619,424
  5. Step 5: Solve for x
    x = 186,055,486,781,619,424/488,007,857.28
  6. Step 6: Final answer
    x = 381,255,104.82

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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.