Home / 847,386,262.25-1,271,055,896.80-225,606,828.65

Finding the Fourth Proportional to 847,386,262.25, 1,271,055,896.80 and 225,606,828.65

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Solution

The fourth proportional to 847,386,262.25, 1,271,055,896.80 and 225,606,828.65 is: 338,403,987.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,386,262.25 : 1,271,055,896.80 = 225,606,828.65 : x
  2. Step 2: Convert to fraction form
    847,386,262.25/1,271,055,896.80 = 225,606,828.65/x
  3. Step 3: Cross multiply
    847,386,262.25x = 1,271,055,896.80 × 225,606,828.65
  4. Step 4: Simplify right side
    847,386,262.25x = 286,758,889,906,446,400
  5. Step 5: Solve for x
    x = 286,758,889,906,446,400/847,386,262.25
  6. Step 6: Final answer
    x = 338,403,987.28

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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.