Home / 3,109,914,378.40-4,664,871,567.60-1,947,652,911.40

Finding the Fourth Proportional to 3,109,914,378.40, 4,664,871,567.60 and 1,947,652,911.40

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Solution

The fourth proportional to 3,109,914,378.40, 4,664,871,567.60 and 1,947,652,911.40 is: 2,921,479,367.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,914,378.40 : 4,664,871,567.60 = 1,947,652,911.40 : x
  2. Step 2: Convert to fraction form
    3,109,914,378.40/4,664,871,567.60 = 1,947,652,911.40/x
  3. Step 3: Cross multiply
    3,109,914,378.40x = 4,664,871,567.60 × 1,947,652,911.40
  4. Step 4: Simplify right side
    3,109,914,378.40x = 9,085,550,689,943,223,296
  5. Step 5: Solve for x
    x = 9,085,550,689,943,223,296/3,109,914,378.40
  6. Step 6: Final answer
    x = 2,921,479,367.10

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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.