Home / 3,901,221,961.65-5,383,689,826.91-2,117,075,431.95

Finding the Fourth Proportional to 3,901,221,961.65, 5,383,689,826.91 and 2,117,075,431.95

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Solution

The fourth proportional to 3,901,221,961.65, 5,383,689,826.91 and 2,117,075,431.95 is: 2,921,566,006.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901,221,961.65 : 5,383,689,826.91 = 2,117,075,431.95 : x
  2. Step 2: Convert to fraction form
    3,901,221,961.65/5,383,689,826.91 = 2,117,075,431.95/x
  3. Step 3: Cross multiply
    3,901,221,961.65x = 5,383,689,826.91 × 2,117,075,431.95
  4. Step 4: Simplify right side
    3,901,221,961.65x = 11,397,677,465,779,724,288
  5. Step 5: Solve for x
    x = 11,397,677,465,779,724,288/3,901,221,961.65
  6. Step 6: Final answer
    x = 2,921,566,006.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.