Home / 2,796,942,027.72-3,859,779,416.28-1,543,878,551.52

Finding the Fourth Proportional to 2,796,942,027.72, 3,859,779,416.28 and 1,543,878,551.52

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Solution

The fourth proportional to 2,796,942,027.72, 3,859,779,416.28 and 1,543,878,551.52 is: 2,130,552,079.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,796,942,027.72 : 3,859,779,416.28 = 1,543,878,551.52 : x
  2. Step 2: Convert to fraction form
    2,796,942,027.72/3,859,779,416.28 = 1,543,878,551.52/x
  3. Step 3: Cross multiply
    2,796,942,027.72x = 3,859,779,416.28 × 1,543,878,551.52
  4. Step 4: Simplify right side
    2,796,942,027.72x = 5,959,030,654,393,077,760
  5. Step 5: Solve for x
    x = 5,959,030,654,393,077,760/2,796,942,027.72
  6. Step 6: Final answer
    x = 2,130,552,079.86

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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.