Home / 2,985,986,082.40-4,478,979,123.60-2,065,606,280.80

Finding the Fourth Proportional to 2,985,986,082.40, 4,478,979,123.60 and 2,065,606,280.80

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Solution

The fourth proportional to 2,985,986,082.40, 4,478,979,123.60 and 2,065,606,280.80 is: 3,098,409,421.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985,986,082.40 : 4,478,979,123.60 = 2,065,606,280.80 : x
  2. Step 2: Convert to fraction form
    2,985,986,082.40/4,478,979,123.60 = 2,065,606,280.80/x
  3. Step 3: Cross multiply
    2,985,986,082.40x = 4,478,979,123.60 × 2,065,606,280.80
  4. Step 4: Simplify right side
    2,985,986,082.40x = 9,251,807,409,280,239,616
  5. Step 5: Solve for x
    x = 9,251,807,409,280,239,616/2,985,986,082.40
  6. Step 6: Final answer
    x = 3,098,409,421.20

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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.