Home / 1,538,525,077.20-2,307,787,615.80-664,517,208.60

Finding the Fourth Proportional to 1,538,525,077.20, 2,307,787,615.80 and 664,517,208.60

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Solution

The fourth proportional to 1,538,525,077.20, 2,307,787,615.80 and 664,517,208.60 is: 996,775,812.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,525,077.20 : 2,307,787,615.80 = 664,517,208.60 : x
  2. Step 2: Convert to fraction form
    1,538,525,077.20/2,307,787,615.80 = 664,517,208.60/x
  3. Step 3: Cross multiply
    1,538,525,077.20x = 2,307,787,615.80 × 664,517,208.60
  4. Step 4: Simplify right side
    1,538,525,077.20x = 1,533,564,584,493,065,472
  5. Step 5: Solve for x
    x = 1,533,564,584,493,065,472/1,538,525,077.20
  6. Step 6: Final answer
    x = 996,775,812.90

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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.