Home / 1,076,805,825.60-1,615,208,738.40-386,819,572.80

Finding the Fourth Proportional to 1,076,805,825.60, 1,615,208,738.40 and 386,819,572.80

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Solution

The fourth proportional to 1,076,805,825.60, 1,615,208,738.40 and 386,819,572.80 is: 580,229,359.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,805,825.60 : 1,615,208,738.40 = 386,819,572.80 : x
  2. Step 2: Convert to fraction form
    1,076,805,825.60/1,615,208,738.40 = 386,819,572.80/x
  3. Step 3: Cross multiply
    1,076,805,825.60x = 1,615,208,738.40 × 386,819,572.80
  4. Step 4: Simplify right side
    1,076,805,825.60x = 624,794,354,170,715,008
  5. Step 5: Solve for x
    x = 624,794,354,170,715,008/1,076,805,825.60
  6. Step 6: Final answer
    x = 580,229,359.20

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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.