Home / 20,187,422,555.05-30,281,133,832.58-13,575,446,209.45

Finding the Fourth Proportional to 20,187,422,555.05, 30,281,133,832.58 and 13,575,446,209.45

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Solution

The fourth proportional to 20,187,422,555.05, 30,281,133,832.58 and 13,575,446,209.45 is: 20,363,169,314.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,187,422,555.05 : 30,281,133,832.58 = 13,575,446,209.45 : x
  2. Step 2: Convert to fraction form
    20,187,422,555.05/30,281,133,832.58 = 13,575,446,209.45/x
  3. Step 3: Cross multiply
    20,187,422,555.05x = 30,281,133,832.58 × 13,575,446,209.45
  4. Step 4: Simplify right side
    20,187,422,555.05x = 411,079,903,505,278,500,864
  5. Step 5: Solve for x
    x = 411,079,903,505,278,500,864/20,187,422,555.05
  6. Step 6: Final answer
    x = 20,363,169,314.18

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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.