Home / 868,969,642.80-1,303,454,464.20-773,735,415.60

Finding the Fourth Proportional to 868,969,642.80, 1,303,454,464.20 and 773,735,415.60

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Solution

The fourth proportional to 868,969,642.80, 1,303,454,464.20 and 773,735,415.60 is: 1,160,603,123.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,969,642.80 : 1,303,454,464.20 = 773,735,415.60 : x
  2. Step 2: Convert to fraction form
    868,969,642.80/1,303,454,464.20 = 773,735,415.60/x
  3. Step 3: Cross multiply
    868,969,642.80x = 1,303,454,464.20 × 773,735,415.60
  4. Step 4: Simplify right side
    868,969,642.80x = 1,008,528,881,573,462,400
  5. Step 5: Solve for x
    x = 1,008,528,881,573,462,400/868,969,642.80
  6. Step 6: Final answer
    x = 1,160,603,123.40

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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.