Home / 18,615,383,338.32-27,921,012,347.76-6,663,158,331.12

Finding the Fourth Proportional to 18,615,383,338.32, 27,921,012,347.76 and 6,663,158,331.12

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Solution

The fourth proportional to 18,615,383,338.32, 27,921,012,347.76 and 6,663,158,331.12 is: 9,993,999,191.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,615,383,338.32 : 27,921,012,347.76 = 6,663,158,331.12 : x
  2. Step 2: Convert to fraction form
    18,615,383,338.32/27,921,012,347.76 = 6,663,158,331.12/x
  3. Step 3: Cross multiply
    18,615,383,338.32x = 27,921,012,347.76 × 6,663,158,331.12
  4. Step 4: Simplify right side
    18,615,383,338.32x = 186,042,126,038,281,420,800
  5. Step 5: Solve for x
    x = 186,042,126,038,281,420,800/18,615,383,338.32
  6. Step 6: Final answer
    x = 9,993,999,191.80

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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.