Home / 144,546,366,979.07-199,478,770,234.61-79,443,101,890.83

Finding the Fourth Proportional to 144,546,366,979.07, 199,478,770,234.61 and 79,443,101,890.83

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Solution

The fourth proportional to 144,546,366,979.07, 199,478,770,234.61 and 79,443,101,890.83 is: 109,634,109,801.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,546,366,979.07 : 199,478,770,234.61 = 79,443,101,890.83 : x
  2. Step 2: Convert to fraction form
    144,546,366,979.07/199,478,770,234.61 = 79,443,101,890.83/x
  3. Step 3: Cross multiply
    144,546,366,979.07x = 199,478,770,234.61 × 79,443,101,890.83
  4. Step 4: Simplify right side
    144,546,366,979.07x = 15,847,212,268,805,588,779,008
  5. Step 5: Solve for x
    x = 15,847,212,268,805,588,779,008/144,546,366,979.07
  6. Step 6: Final answer
    x = 109,634,109,801.60

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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.