Home / 1,242,217,132.20-1,862,617,110.30-465,888,119.40

Finding the Fourth Proportional to 1,242,217,132.20, 1,862,617,110.30 and 465,888,119.40

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Solution

The fourth proportional to 1,242,217,132.20, 1,862,617,110.30 and 465,888,119.40 is: 698,566,426.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,217,132.20 : 1,862,617,110.30 = 465,888,119.40 : x
  2. Step 2: Convert to fraction form
    1,242,217,132.20/1,862,617,110.30 = 465,888,119.40/x
  3. Step 3: Cross multiply
    1,242,217,132.20x = 1,862,617,110.30 × 465,888,119.40
  4. Step 4: Simplify right side
    1,242,217,132.20x = 867,771,182,679,929,344
  5. Step 5: Solve for x
    x = 867,771,182,679,929,344/1,242,217,132.20
  6. Step 6: Final answer
    x = 698,566,426.26

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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.