Home / 15,088,119,790.77-20,822,049,456.53-8,314,374,710.39

Finding the Fourth Proportional to 15,088,119,790.77, 20,822,049,456.53 and 8,314,374,710.39

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Solution

The fourth proportional to 15,088,119,790.77, 20,822,049,456.53 and 8,314,374,710.39 is: 11,474,081,848.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,088,119,790.77 : 20,822,049,456.53 = 8,314,374,710.39 : x
  2. Step 2: Convert to fraction form
    15,088,119,790.77/20,822,049,456.53 = 8,314,374,710.39/x
  3. Step 3: Cross multiply
    15,088,119,790.77x = 20,822,049,456.53 × 8,314,374,710.39
  4. Step 4: Simplify right side
    15,088,119,790.77x = 173,122,321,419,729,666,048
  5. Step 5: Solve for x
    x = 173,122,321,419,729,666,048/15,088,119,790.77
  6. Step 6: Final answer
    x = 11,474,081,848.53

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Double scale
Find fourth proportional to 15,088,119,791.77, 20,822,049,457.91 and 8,314,374,711.39
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.