Home / 2,519,496,078.60-3,779,244,117.90-679,434,760.20

Finding the Fourth Proportional to 2,519,496,078.60, 3,779,244,117.90 and 679,434,760.20

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Solution

The fourth proportional to 2,519,496,078.60, 3,779,244,117.90 and 679,434,760.20 is: 1,019,152,140.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519,496,078.60 : 3,779,244,117.90 = 679,434,760.20 : x
  2. Step 2: Convert to fraction form
    2,519,496,078.60/3,779,244,117.90 = 679,434,760.20/x
  3. Step 3: Cross multiply
    2,519,496,078.60x = 3,779,244,117.90 × 679,434,760.20
  4. Step 4: Simplify right side
    2,519,496,078.60x = 2,567,749,820,982,647,296
  5. Step 5: Solve for x
    x = 2,567,749,820,982,647,296/2,519,496,078.60
  6. Step 6: Final answer
    x = 1,019,152,140.30

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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.