Home / 386,396,488,685.28-579,859,483,746.60-134,857,682,695.56

Finding the Fourth Proportional to 386,396,488,685.28, 579,859,483,746.60 and 134,857,682,695.56

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Solution

The fourth proportional to 386,396,488,685.28, 579,859,483,746.60 and 134,857,682,695.56 is: 202,378,925,681.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,396,488,685.28 : 579,859,483,746.60 = 134,857,682,695.56 : x
  2. Step 2: Convert to fraction form
    386,396,488,685.28/579,859,483,746.60 = 134,857,682,695.56/x
  3. Step 3: Cross multiply
    386,396,488,685.28x = 579,859,483,746.60 × 134,857,682,695.56
  4. Step 4: Simplify right side
    386,396,488,685.28x = 78,198,506,267,110,216,302,592
  5. Step 5: Solve for x
    x = 78,198,506,267,110,216,302,592/386,396,488,685.28
  6. Step 6: Final answer
    x = 202,378,925,681.19

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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.