Home / 835,508,720.65-1,253,263,080.98-222,092,946.40

Finding the Fourth Proportional to 835,508,720.65, 1,253,263,080.98 and 222,092,946.40

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Solution

The fourth proportional to 835,508,720.65, 1,253,263,080.98 and 222,092,946.40 is: 333,139,419.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,508,720.65 : 1,253,263,080.98 = 222,092,946.40 : x
  2. Step 2: Convert to fraction form
    835,508,720.65/1,253,263,080.98 = 222,092,946.40/x
  3. Step 3: Cross multiply
    835,508,720.65x = 1,253,263,080.98 × 222,092,946.40
  4. Step 4: Simplify right side
    835,508,720.65x = 278,340,890,269,190,016
  5. Step 5: Solve for x
    x = 278,340,890,269,190,016/835,508,720.65
  6. Step 6: Final answer
    x = 333,139,419.60

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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.