Home / 833,976,734.88-1,251,294,595.92-316,544,519.64

Finding the Fourth Proportional to 833,976,734.88, 1,251,294,595.92 and 316,544,519.64

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Solution

The fourth proportional to 833,976,734.88, 1,251,294,595.92 and 316,544,519.64 is: 474,941,842.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,976,734.88 : 1,251,294,595.92 = 316,544,519.64 : x
  2. Step 2: Convert to fraction form
    833,976,734.88/1,251,294,595.92 = 316,544,519.64/x
  3. Step 3: Cross multiply
    833,976,734.88x = 1,251,294,595.92 × 316,544,519.64
  4. Step 4: Simplify right side
    833,976,734.88x = 396,090,446,793,624,320
  5. Step 5: Solve for x
    x = 396,090,446,793,624,320/833,976,734.88
  6. Step 6: Final answer
    x = 474,941,842.17

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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.