Home / 1,076,805,895.60-1,615,208,843.40-386,819,642.80

Finding the Fourth Proportional to 1,076,805,895.60, 1,615,208,843.40 and 386,819,642.80

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Solution

The fourth proportional to 1,076,805,895.60, 1,615,208,843.40 and 386,819,642.80 is: 580,229,464.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,805,895.60 : 1,615,208,843.40 = 386,819,642.80 : x
  2. Step 2: Convert to fraction form
    1,076,805,895.60/1,615,208,843.40 = 386,819,642.80/x
  3. Step 3: Cross multiply
    1,076,805,895.60x = 1,615,208,843.40 × 386,819,642.80
  4. Step 4: Simplify right side
    1,076,805,895.60x = 624,794,507,851,389,184
  5. Step 5: Solve for x
    x = 624,794,507,851,389,184/1,076,805,895.60
  6. Step 6: Final answer
    x = 580,229,464.20

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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.