Home / 20,561,511,199.04-30,842,277,004.56-13,572,688,742.72

Finding the Fourth Proportional to 20,561,511,199.04, 30,842,277,004.56 and 13,572,688,742.72

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Solution

The fourth proportional to 20,561,511,199.04, 30,842,277,004.56 and 13,572,688,742.72 is: 20,359,039,851.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,561,511,199.04 : 30,842,277,004.56 = 13,572,688,742.72 : x
  2. Step 2: Convert to fraction form
    20,561,511,199.04/30,842,277,004.56 = 13,572,688,742.72/x
  3. Step 3: Cross multiply
    20,561,511,199.04x = 30,842,277,004.56 × 13,572,688,742.72
  4. Step 4: Simplify right side
    20,561,511,199.04x = 418,612,625,899,643,404,288
  5. Step 5: Solve for x
    x = 418,612,625,899,643,404,288/20,561,511,199.04
  6. Step 6: Final answer
    x = 20,359,039,851.08

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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.