Home / 2,519,428,082.40-3,779,142,123.60-1,866,393,381.60

Finding the Fourth Proportional to 2,519,428,082.40, 3,779,142,123.60 and 1,866,393,381.60

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Solution

The fourth proportional to 2,519,428,082.40, 3,779,142,123.60 and 1,866,393,381.60 is: 2,799,590,072.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519,428,082.40 : 3,779,142,123.60 = 1,866,393,381.60 : x
  2. Step 2: Convert to fraction form
    2,519,428,082.40/3,779,142,123.60 = 1,866,393,381.60/x
  3. Step 3: Cross multiply
    2,519,428,082.40x = 3,779,142,123.60 × 1,866,393,381.60
  4. Step 4: Simplify right side
    2,519,428,082.40x = 7,053,365,847,612,808,192
  5. Step 5: Solve for x
    x = 7,053,365,847,612,808,192/2,519,428,082.40
  6. Step 6: Final answer
    x = 2,799,590,072.40

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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.