Home / 6,688,321,779.88-10,025,855,864.34-3,140,712,648.78

Finding the Fourth Proportional to 6,688,321,779.88, 10,025,855,864.34 and 3,140,712,648.78

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Solution

The fourth proportional to 6,688,321,779.88, 10,025,855,864.34 and 3,140,712,648.78 is: 4,707,957,147.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688,321,779.88 : 10,025,855,864.34 = 3,140,712,648.78 : x
  2. Step 2: Convert to fraction form
    6,688,321,779.88/10,025,855,864.34 = 3,140,712,648.78/x
  3. Step 3: Cross multiply
    6,688,321,779.88x = 10,025,855,864.34 × 3,140,712,648.78
  4. Step 4: Simplify right side
    6,688,321,779.88x = 31,488,332,327,977,779,200
  5. Step 5: Solve for x
    x = 31,488,332,327,977,779,200/6,688,321,779.88
  6. Step 6: Final answer
    x = 4,707,957,147.44

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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.