Home / 744,490,257.40-1,116,735,386.10-199,231,791.40

Finding the Fourth Proportional to 744,490,257.40, 1,116,735,386.10 and 199,231,791.40

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Solution

The fourth proportional to 744,490,257.40, 1,116,735,386.10 and 199,231,791.40 is: 298,847,687.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,490,257.40 : 1,116,735,386.10 = 199,231,791.40 : x
  2. Step 2: Convert to fraction form
    744,490,257.40/1,116,735,386.10 = 199,231,791.40/x
  3. Step 3: Cross multiply
    744,490,257.40x = 1,116,735,386.10 × 199,231,791.40
  4. Step 4: Simplify right side
    744,490,257.40x = 222,489,191,492,473,632
  5. Step 5: Solve for x
    x = 222,489,191,492,473,632/744,490,257.40
  6. Step 6: Final answer
    x = 298,847,687.10

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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.