Home / 847,386,257.81-1,271,055,890.14-225,606,824.20

Finding the Fourth Proportional to 847,386,257.81, 1,271,055,890.14 and 225,606,824.20

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Solution

The fourth proportional to 847,386,257.81, 1,271,055,890.14 and 225,606,824.20 is: 338,403,980.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,386,257.81 : 1,271,055,890.14 = 225,606,824.20 : x
  2. Step 2: Convert to fraction form
    847,386,257.81/1,271,055,890.14 = 225,606,824.20/x
  3. Step 3: Cross multiply
    847,386,257.81x = 1,271,055,890.14 × 225,606,824.20
  4. Step 4: Simplify right side
    847,386,257.81x = 286,758,882,757,490,400
  5. Step 5: Solve for x
    x = 286,758,882,757,490,400/847,386,257.81
  6. Step 6: Final answer
    x = 338,403,980.61

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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.