Home / 408,147,338,689.80-612,221,008,034.70-274,928,259,726.60

Finding the Fourth Proportional to 408,147,338,689.80, 612,221,008,034.70 and 274,928,259,726.60

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Solution

The fourth proportional to 408,147,338,689.80, 612,221,008,034.70 and 274,928,259,726.60 is: 412,392,389,589.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,147,338,689.80 : 612,221,008,034.70 = 274,928,259,726.60 : x
  2. Step 2: Convert to fraction form
    408,147,338,689.80/612,221,008,034.70 = 274,928,259,726.60/x
  3. Step 3: Cross multiply
    408,147,338,689.80x = 612,221,008,034.70 × 274,928,259,726.60
  4. Step 4: Simplify right side
    408,147,338,689.80x = 168,316,856,307,044,826,742,784
  5. Step 5: Solve for x
    x = 168,316,856,307,044,826,742,784/408,147,338,689.80
  6. Step 6: Final answer
    x = 412,392,389,589.90

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1.5x scale

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.