Home / 1,208,831,711.80-1,813,247,567.70-1,112,085,830.20

Finding the Fourth Proportional to 1,208,831,711.80, 1,813,247,567.70 and 1,112,085,830.20

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Solution

The fourth proportional to 1,208,831,711.80, 1,813,247,567.70 and 1,112,085,830.20 is: 1,668,128,745.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,831,711.80 : 1,813,247,567.70 = 1,112,085,830.20 : x
  2. Step 2: Convert to fraction form
    1,208,831,711.80/1,813,247,567.70 = 1,112,085,830.20/x
  3. Step 3: Cross multiply
    1,208,831,711.80x = 1,813,247,567.70 × 1,112,085,830.20
  4. Step 4: Simplify right side
    1,208,831,711.80x = 2,016,486,926,683,785,472
  5. Step 5: Solve for x
    x = 2,016,486,926,683,785,472/1,208,831,711.80
  6. Step 6: Final answer
    x = 1,668,128,745.30

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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.