Home / 20,226,746,896.20-30,319,713,009.90-9,193,181,430.60

Finding the Fourth Proportional to 20,226,746,896.20, 30,319,713,009.90 and 9,193,181,430.60

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Solution

The fourth proportional to 20,226,746,896.20, 30,319,713,009.90 and 9,193,181,430.60 is: 13,780,496,886.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,226,746,896.20 : 30,319,713,009.90 = 9,193,181,430.60 : x
  2. Step 2: Convert to fraction form
    20,226,746,896.20/30,319,713,009.90 = 9,193,181,430.60/x
  3. Step 3: Cross multiply
    20,226,746,896.20x = 30,319,713,009.90 × 9,193,181,430.60
  4. Step 4: Simplify right side
    20,226,746,896.20x = 278,734,622,623,733,940,224
  5. Step 5: Solve for x
    x = 278,734,622,623,733,940,224/20,226,746,896.20
  6. Step 6: Final answer
    x = 13,780,496,886.33

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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.