Home / 1,512,976,938.40-2,269,890,560.40-736,647,925.60

Finding the Fourth Proportional to 1,512,976,938.40, 2,269,890,560.40 and 736,647,925.60

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Solution

The fourth proportional to 1,512,976,938.40, 2,269,890,560.40 and 736,647,925.60 is: 1,105,178,889.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,976,938.40 : 2,269,890,560.40 = 736,647,925.60 : x
  2. Step 2: Convert to fraction form
    1,512,976,938.40/2,269,890,560.40 = 736,647,925.60/x
  3. Step 3: Cross multiply
    1,512,976,938.40x = 2,269,890,560.40 × 736,647,925.60
  4. Step 4: Simplify right side
    1,512,976,938.40x = 1,672,110,172,657,681,664
  5. Step 5: Solve for x
    x = 1,672,110,172,657,681,664/1,512,976,938.40
  6. Step 6: Final answer
    x = 1,105,178,889.52

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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.