Home / 1,540,810,839.20-2,126,330,973.96-905,560,734.92

Finding the Fourth Proportional to 1,540,810,839.20, 2,126,330,973.96 and 905,560,734.92

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Solution

The fourth proportional to 1,540,810,839.20, 2,126,330,973.96 and 905,560,734.92 is: 1,249,680,876.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,810,839.20 : 2,126,330,973.96 = 905,560,734.92 : x
  2. Step 2: Convert to fraction form
    1,540,810,839.20/2,126,330,973.96 = 905,560,734.92/x
  3. Step 3: Cross multiply
    1,540,810,839.20x = 2,126,330,973.96 × 905,560,734.92
  4. Step 4: Simplify right side
    1,540,810,839.20x = 1,925,521,839,462,376,960
  5. Step 5: Solve for x
    x = 1,925,521,839,462,376,960/1,540,810,839.20
  6. Step 6: Final answer
    x = 1,249,680,876.12

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1.5x scale

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.