Home / 10,347,309,009.60-15,520,963,514.40-2,986,559,851.20

Finding the Fourth Proportional to 10,347,309,009.60, 15,520,963,514.40 and 2,986,559,851.20

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Solution

The fourth proportional to 10,347,309,009.60, 15,520,963,514.40 and 2,986,559,851.20 is: 4,479,839,776.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347,309,009.60 : 15,520,963,514.40 = 2,986,559,851.20 : x
  2. Step 2: Convert to fraction form
    10,347,309,009.60/15,520,963,514.40 = 2,986,559,851.20/x
  3. Step 3: Cross multiply
    10,347,309,009.60x = 15,520,963,514.40 × 2,986,559,851.20
  4. Step 4: Simplify right side
    10,347,309,009.60x = 46,354,286,484,047,085,568
  5. Step 5: Solve for x
    x = 46,354,286,484,047,085,568/10,347,309,009.60
  6. Step 6: Final answer
    x = 4,479,839,776.80

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Double scale
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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.