Home / 1,292,188,862.60-1,938,283,293.90-1,152,444,811.40

Finding the Fourth Proportional to 1,292,188,862.60, 1,938,283,293.90 and 1,152,444,811.40

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Solution

The fourth proportional to 1,292,188,862.60, 1,938,283,293.90 and 1,152,444,811.40 is: 1,728,667,217.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,188,862.60 : 1,938,283,293.90 = 1,152,444,811.40 : x
  2. Step 2: Convert to fraction form
    1,292,188,862.60/1,938,283,293.90 = 1,152,444,811.40/x
  3. Step 3: Cross multiply
    1,292,188,862.60x = 1,938,283,293.90 × 1,152,444,811.40
  4. Step 4: Simplify right side
    1,292,188,862.60x = 2,233,764,525,078,356,480
  5. Step 5: Solve for x
    x = 2,233,764,525,078,356,480/1,292,188,862.60
  6. Step 6: Final answer
    x = 1,728,667,217.10

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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.