Home / 10,236,621,812.80-15,354,932,719.20-8,859,126,740.80

Finding the Fourth Proportional to 10,236,621,812.80, 15,354,932,719.20 and 8,859,126,740.80

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Solution

The fourth proportional to 10,236,621,812.80, 15,354,932,719.20 and 8,859,126,740.80 is: 13,288,690,111.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,236,621,812.80 : 15,354,932,719.20 = 8,859,126,740.80 : x
  2. Step 2: Convert to fraction form
    10,236,621,812.80/15,354,932,719.20 = 8,859,126,740.80/x
  3. Step 3: Cross multiply
    10,236,621,812.80x = 15,354,932,719.20 × 8,859,126,740.80
  4. Step 4: Simplify right side
    10,236,621,812.80x = 136,031,295,055,849,570,304
  5. Step 5: Solve for x
    x = 136,031,295,055,849,570,304/10,236,621,812.80
  6. Step 6: Final answer
    x = 13,288,690,111.20

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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.