Home / 10,880,596,920.40-16,320,895,380.60-3,986,557,061.20

Finding the Fourth Proportional to 10,880,596,920.40, 16,320,895,380.60 and 3,986,557,061.20

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Solution

The fourth proportional to 10,880,596,920.40, 16,320,895,380.60 and 3,986,557,061.20 is: 5,979,835,591.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,880,596,920.40 : 16,320,895,380.60 = 3,986,557,061.20 : x
  2. Step 2: Convert to fraction form
    10,880,596,920.40/16,320,895,380.60 = 3,986,557,061.20/x
  3. Step 3: Cross multiply
    10,880,596,920.40x = 16,320,895,380.60 × 3,986,557,061.20
  4. Step 4: Simplify right side
    10,880,596,920.40x = 65,064,180,724,637,392,896
  5. Step 5: Solve for x
    x = 65,064,180,724,637,392,896/10,880,596,920.40
  6. Step 6: Final answer
    x = 5,979,835,591.80

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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.