Home / 1,281,930,242.85-1,922,895,364.28-1,195,933,903.65

Finding the Fourth Proportional to 1,281,930,242.85, 1,922,895,364.28 and 1,195,933,903.65

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Solution

The fourth proportional to 1,281,930,242.85, 1,922,895,364.28 and 1,195,933,903.65 is: 1,793,900,855.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,930,242.85 : 1,922,895,364.28 = 1,195,933,903.65 : x
  2. Step 2: Convert to fraction form
    1,281,930,242.85/1,922,895,364.28 = 1,195,933,903.65/x
  3. Step 3: Cross multiply
    1,281,930,242.85x = 1,922,895,364.28 × 1,195,933,903.65
  4. Step 4: Simplify right side
    1,281,930,242.85x = 2,299,655,759,307,889,920
  5. Step 5: Solve for x
    x = 2,299,655,759,307,889,920/1,281,930,242.85
  6. Step 6: Final answer
    x = 1,793,900,855.48

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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.