Home / 977,225,932.49-1,465,826,104.78-240,302,198.21

Finding the Fourth Proportional to 977,225,932.49, 1,465,826,104.78 and 240,302,198.21

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Solution

The fourth proportional to 977,225,932.49, 1,465,826,104.78 and 240,302,198.21 is: 360,450,151.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,225,932.49 : 1,465,826,104.78 = 240,302,198.21 : x
  2. Step 2: Convert to fraction form
    977,225,932.49/1,465,826,104.78 = 240,302,198.21/x
  3. Step 3: Cross multiply
    977,225,932.49x = 1,465,826,104.78 × 240,302,198.21
  4. Step 4: Simplify right side
    977,225,932.49x = 352,241,235,164,305,920
  5. Step 5: Solve for x
    x = 352,241,235,164,305,920/977,225,932.49
  6. Step 6: Final answer
    x = 360,450,151.24

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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.