Home / 10,880,596,906.40-16,320,895,359.60-3,986,557,047.20

Finding the Fourth Proportional to 10,880,596,906.40, 16,320,895,359.60 and 3,986,557,047.20

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Solution

The fourth proportional to 10,880,596,906.40, 16,320,895,359.60 and 3,986,557,047.20 is: 5,979,835,570.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,880,596,906.40 : 16,320,895,359.60 = 3,986,557,047.20 : x
  2. Step 2: Convert to fraction form
    10,880,596,906.40/16,320,895,359.60 = 3,986,557,047.20/x
  3. Step 3: Cross multiply
    10,880,596,906.40x = 16,320,895,359.60 × 3,986,557,047.20
  4. Step 4: Simplify right side
    10,880,596,906.40x = 65,064,180,412,427,157,504
  5. Step 5: Solve for x
    x = 65,064,180,412,427,157,504/10,880,596,906.40
  6. Step 6: Final answer
    x = 5,979,835,570.80

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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.