Home / 2,051,511,938.10-3,078,779,561.55-825,560,219.70

Finding the Fourth Proportional to 2,051,511,938.10, 3,078,779,561.55 and 825,560,219.70

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Solution

The fourth proportional to 2,051,511,938.10, 3,078,779,561.55 and 825,560,219.70 is: 1,238,948,642.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,051,511,938.10 : 3,078,779,561.55 = 825,560,219.70 : x
  2. Step 2: Convert to fraction form
    2,051,511,938.10/3,078,779,561.55 = 825,560,219.70/x
  3. Step 3: Cross multiply
    2,051,511,938.10x = 3,078,779,561.55 × 825,560,219.70
  4. Step 4: Simplify right side
    2,051,511,938.10x = 2,541,717,931,241,088,000
  5. Step 5: Solve for x
    x = 2,541,717,931,241,088,000/2,051,511,938.10
  6. Step 6: Final answer
    x = 1,238,948,642.72

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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.