Home / 819,641,274.36-1,131,113,932.80-448,363,309.38

Finding the Fourth Proportional to 819,641,274.36, 1,131,113,932.80 and 448,363,309.38

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Solution

The fourth proportional to 819,641,274.36, 1,131,113,932.80 and 448,363,309.38 is: 618,746,276.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,641,274.36 : 1,131,113,932.80 = 448,363,309.38 : x
  2. Step 2: Convert to fraction form
    819,641,274.36/1,131,113,932.80 = 448,363,309.38/x
  3. Step 3: Cross multiply
    819,641,274.36x = 1,131,113,932.80 × 448,363,309.38
  4. Step 4: Simplify right side
    819,641,274.36x = 507,149,986,196,034,880
  5. Step 5: Solve for x
    x = 507,149,986,196,034,880/819,641,274.36
  6. Step 6: Final answer
    x = 618,746,276.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.