Home / 1,206,390,069.90-1,809,585,104.85-747,225,045.90

Finding the Fourth Proportional to 1,206,390,069.90, 1,809,585,104.85 and 747,225,045.90

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Solution

The fourth proportional to 1,206,390,069.90, 1,809,585,104.85 and 747,225,045.90 is: 1,120,837,568.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,390,069.90 : 1,809,585,104.85 = 747,225,045.90 : x
  2. Step 2: Convert to fraction form
    1,206,390,069.90/1,809,585,104.85 = 747,225,045.90/x
  3. Step 3: Cross multiply
    1,206,390,069.90x = 1,809,585,104.85 × 747,225,045.90
  4. Step 4: Simplify right side
    1,206,390,069.90x = 1,352,167,313,031,497,472
  5. Step 5: Solve for x
    x = 1,352,167,313,031,497,472/1,206,390,069.90
  6. Step 6: Final answer
    x = 1,120,837,568.85

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Double scale
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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.