Home / 819,641,274.93-1,131,113,933.69-448,363,309.95

Finding the Fourth Proportional to 819,641,274.93, 1,131,113,933.69 and 448,363,309.95

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Solution

The fourth proportional to 819,641,274.93, 1,131,113,933.69 and 448,363,309.95 is: 618,746,276.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,641,274.93 : 1,131,113,933.69 = 448,363,309.95 : x
  2. Step 2: Convert to fraction form
    819,641,274.93/1,131,113,933.69 = 448,363,309.95/x
  3. Step 3: Cross multiply
    819,641,274.93x = 1,131,113,933.69 × 448,363,309.95
  4. Step 4: Simplify right side
    819,641,274.93x = 507,149,987,237,571,392
  5. Step 5: Solve for x
    x = 507,149,987,237,571,392/819,641,274.93
  6. Step 6: Final answer
    x = 618,746,276.88

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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.