Home / 1,087,729,610.20-1,631,594,415.30-939,776,435.80

Finding the Fourth Proportional to 1,087,729,610.20, 1,631,594,415.30 and 939,776,435.80

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Solution

The fourth proportional to 1,087,729,610.20, 1,631,594,415.30 and 939,776,435.80 is: 1,409,664,653.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,729,610.20 : 1,631,594,415.30 = 939,776,435.80 : x
  2. Step 2: Convert to fraction form
    1,087,729,610.20/1,631,594,415.30 = 939,776,435.80/x
  3. Step 3: Cross multiply
    1,087,729,610.20x = 1,631,594,415.30 × 939,776,435.80
  4. Step 4: Simplify right side
    1,087,729,610.20x = 1,533,333,984,281,818,880
  5. Step 5: Solve for x
    x = 1,533,333,984,281,818,880/1,087,729,610.20
  6. Step 6: Final answer
    x = 1,409,664,653.70

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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.