Home / 819,153,001.20-1,228,729,501.80-273,894,535.20

Finding the Fourth Proportional to 819,153,001.20, 1,228,729,501.80 and 273,894,535.20

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Solution

The fourth proportional to 819,153,001.20, 1,228,729,501.80 and 273,894,535.20 is: 410,841,802.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,153,001.20 : 1,228,729,501.80 = 273,894,535.20 : x
  2. Step 2: Convert to fraction form
    819,153,001.20/1,228,729,501.80 = 273,894,535.20/x
  3. Step 3: Cross multiply
    819,153,001.20x = 1,228,729,501.80 × 273,894,535.20
  4. Step 4: Simplify right side
    819,153,001.20x = 336,542,295,782,038,528
  5. Step 5: Solve for x
    x = 336,542,295,782,038,528/819,153,001.20
  6. Step 6: Final answer
    x = 410,841,802.80

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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.