Home / 3,953,640,152.94-5,456,008,439.01-2,169,523,456.62

Finding the Fourth Proportional to 3,953,640,152.94, 5,456,008,439.01 and 2,169,523,456.62

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Solution

The fourth proportional to 3,953,640,152.94, 5,456,008,439.01 and 2,169,523,456.62 is: 2,993,934,154.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953,640,152.94 : 5,456,008,439.01 = 2,169,523,456.62 : x
  2. Step 2: Convert to fraction form
    3,953,640,152.94/5,456,008,439.01 = 2,169,523,456.62/x
  3. Step 3: Cross multiply
    3,953,640,152.94x = 5,456,008,439.01 × 2,169,523,456.62
  4. Step 4: Simplify right side
    3,953,640,152.94x = 11,836,938,287,948,865,536
  5. Step 5: Solve for x
    x = 11,836,938,287,948,865,536/3,953,640,152.94
  6. Step 6: Final answer
    x = 2,993,934,154.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.