Home / 718,642,160.71-1,078,049,296.78-220,587,437.30

Finding the Fourth Proportional to 718,642,160.71, 1,078,049,296.78 and 220,587,437.30

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Solution

The fourth proportional to 718,642,160.71, 1,078,049,296.78 and 220,587,437.30 is: 330,907,570.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,642,160.71 : 1,078,049,296.78 = 220,587,437.30 : x
  2. Step 2: Convert to fraction form
    718,642,160.71/1,078,049,296.78 = 220,587,437.30/x
  3. Step 3: Cross multiply
    718,642,160.71x = 1,078,049,296.78 × 220,587,437.30
  4. Step 4: Simplify right side
    718,642,160.71x = 237,804,131,653,825,600
  5. Step 5: Solve for x
    x = 237,804,131,653,825,600/718,642,160.71
  6. Step 6: Final answer
    x = 330,907,570.77

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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.