Home / 13,605,120,465.60-20,407,680,698.40-10,315,760,491.20

Finding the Fourth Proportional to 13,605,120,465.60, 20,407,680,698.40 and 10,315,760,491.20

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Solution

The fourth proportional to 13,605,120,465.60, 20,407,680,698.40 and 10,315,760,491.20 is: 15,473,640,736.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,605,120,465.60 : 20,407,680,698.40 = 10,315,760,491.20 : x
  2. Step 2: Convert to fraction form
    13,605,120,465.60/20,407,680,698.40 = 10,315,760,491.20/x
  3. Step 3: Cross multiply
    13,605,120,465.60x = 20,407,680,698.40 × 10,315,760,491.20
  4. Step 4: Simplify right side
    13,605,120,465.60x = 210,520,746,265,579,585,536
  5. Step 5: Solve for x
    x = 210,520,746,265,579,585,536/13,605,120,465.60
  6. Step 6: Final answer
    x = 15,473,640,736.80

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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.