Home / 64,354,220,999.28-96,545,225,693.52-19,589,218,189.20

Finding the Fourth Proportional to 64,354,220,999.28, 96,545,225,693.52 and 19,589,218,189.20

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Solution

The fourth proportional to 64,354,220,999.28, 96,545,225,693.52 and 19,589,218,189.20 is: 29,388,056,632.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,354,220,999.28 : 96,545,225,693.52 = 19,589,218,189.20 : x
  2. Step 2: Convert to fraction form
    64,354,220,999.28/96,545,225,693.52 = 19,589,218,189.20/x
  3. Step 3: Cross multiply
    64,354,220,999.28x = 96,545,225,693.52 × 19,589,218,189.20
  4. Step 4: Simplify right side
    64,354,220,999.28x = 1,891,245,491,235,921,330,176
  5. Step 5: Solve for x
    x = 1,891,245,491,235,921,330,176/64,354,220,999.28
  6. Step 6: Final answer
    x = 29,388,056,632.01

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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.