Home / 2,515,519,454.72-3,471,370,349.28-1,371,095,421.44

Finding the Fourth Proportional to 2,515,519,454.72, 3,471,370,349.28 and 1,371,095,421.44

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Solution

The fourth proportional to 2,515,519,454.72, 3,471,370,349.28 and 1,371,095,421.44 is: 1,892,086,337.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,515,519,454.72 : 3,471,370,349.28 = 1,371,095,421.44 : x
  2. Step 2: Convert to fraction form
    2,515,519,454.72/3,471,370,349.28 = 1,371,095,421.44/x
  3. Step 3: Cross multiply
    2,515,519,454.72x = 3,471,370,349.28 × 1,371,095,421.44
  4. Step 4: Simplify right side
    2,515,519,454.72x = 4,759,579,992,020,381,696
  5. Step 5: Solve for x
    x = 4,759,579,992,020,381,696/2,515,519,454.72
  6. Step 6: Final answer
    x = 1,892,086,337.51

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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.