Home / 77,738,078,720.40-107,278,945,336.08-43,444,357,646.64

Finding the Fourth Proportional to 77,738,078,720.40, 107,278,945,336.08 and 43,444,357,646.64

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Solution

The fourth proportional to 77,738,078,720.40, 107,278,945,336.08 and 43,444,357,646.64 is: 59,953,435,251.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,738,078,720.40 : 107,278,945,336.08 = 43,444,357,646.64 : x
  2. Step 2: Convert to fraction form
    77,738,078,720.40/107,278,945,336.08 = 43,444,357,646.64/x
  3. Step 3: Cross multiply
    77,738,078,720.40x = 107,278,945,336.08 × 43,444,357,646.64
  4. Step 4: Simplify right side
    77,738,078,720.40x = 4,660,664,869,135,001,845,760
  5. Step 5: Solve for x
    x = 4,660,664,869,135,001,845,760/77,738,078,720.40
  6. Step 6: Final answer
    x = 59,953,435,251.44

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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.