Home / 877,986,067.20-1,316,979,100.80-551,468,716.80

Finding the Fourth Proportional to 877,986,067.20, 1,316,979,100.80 and 551,468,716.80

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Solution

The fourth proportional to 877,986,067.20, 1,316,979,100.80 and 551,468,716.80 is: 827,203,075.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,986,067.20 : 1,316,979,100.80 = 551,468,716.80 : x
  2. Step 2: Convert to fraction form
    877,986,067.20/1,316,979,100.80 = 551,468,716.80/x
  3. Step 3: Cross multiply
    877,986,067.20x = 1,316,979,100.80 × 551,468,716.80
  4. Step 4: Simplify right side
    877,986,067.20x = 726,272,774,770,593,792
  5. Step 5: Solve for x
    x = 726,272,774,770,593,792/877,986,067.20
  6. Step 6: Final answer
    x = 827,203,075.20

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1.5x scale

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.