Home / 1,292,188,863.10-1,938,283,294.65-1,152,444,811.90

Finding the Fourth Proportional to 1,292,188,863.10, 1,938,283,294.65 and 1,152,444,811.90

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Solution

The fourth proportional to 1,292,188,863.10, 1,938,283,294.65 and 1,152,444,811.90 is: 1,728,667,217.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,188,863.10 : 1,938,283,294.65 = 1,152,444,811.90 : x
  2. Step 2: Convert to fraction form
    1,292,188,863.10/1,938,283,294.65 = 1,152,444,811.90/x
  3. Step 3: Cross multiply
    1,292,188,863.10x = 1,938,283,294.65 × 1,152,444,811.90
  4. Step 4: Simplify right side
    1,292,188,863.10x = 2,233,764,526,911,831,808
  5. Step 5: Solve for x
    x = 2,233,764,526,911,831,808/1,292,188,863.10
  6. Step 6: Final answer
    x = 1,728,667,217.85

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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.