Home / 20,187,421,880.80-30,281,132,821.20-13,575,445,535.20

Finding the Fourth Proportional to 20,187,421,880.80, 30,281,132,821.20 and 13,575,445,535.20

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Solution

The fourth proportional to 20,187,421,880.80, 30,281,132,821.20 and 13,575,445,535.20 is: 20,363,168,302.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,187,421,880.80 : 30,281,132,821.20 = 13,575,445,535.20 : x
  2. Step 2: Convert to fraction form
    20,187,421,880.80/30,281,132,821.20 = 13,575,445,535.20/x
  3. Step 3: Cross multiply
    20,187,421,880.80x = 30,281,132,821.20 × 13,575,445,535.20
  4. Step 4: Simplify right side
    20,187,421,880.80x = 411,079,869,358,357,741,568
  5. Step 5: Solve for x
    x = 411,079,869,358,357,741,568/20,187,421,880.80
  6. Step 6: Final answer
    x = 20,363,168,302.80

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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.