Home / 381,039,968.64-524,855,406.58-269,338,772.20

Finding the Fourth Proportional to 381,039,968.64, 524,855,406.58 and 269,338,772.20

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Solution

The fourth proportional to 381,039,968.64, 524,855,406.58 and 269,338,772.20 is: 370,994,967.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,039,968.64 : 524,855,406.58 = 269,338,772.20 : x
  2. Step 2: Convert to fraction form
    381,039,968.64/524,855,406.58 = 269,338,772.20/x
  3. Step 3: Cross multiply
    381,039,968.64x = 524,855,406.58 × 269,338,772.20
  4. Step 4: Simplify right side
    381,039,968.64x = 141,363,910,791,259,856
  5. Step 5: Solve for x
    x = 141,363,910,791,259,856/381,039,968.64
  6. Step 6: Final answer
    x = 370,994,967.52

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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.