Home / 1,103,912,469.60-1,655,868,704.40-828,413,455.20

Finding the Fourth Proportional to 1,103,912,469.60, 1,655,868,704.40 and 828,413,455.20

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Solution

The fourth proportional to 1,103,912,469.60, 1,655,868,704.40 and 828,413,455.20 is: 1,242,620,182.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,912,469.60 : 1,655,868,704.40 = 828,413,455.20 : x
  2. Step 2: Convert to fraction form
    1,103,912,469.60/1,655,868,704.40 = 828,413,455.20/x
  3. Step 3: Cross multiply
    1,103,912,469.60x = 1,655,868,704.40 × 828,413,455.20
  4. Step 4: Simplify right side
    1,103,912,469.60x = 1,371,743,914,769,551,616
  5. Step 5: Solve for x
    x = 1,371,743,914,769,551,616/1,103,912,469.60
  6. Step 6: Final answer
    x = 1,242,620,182.80

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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.