Home / 79,620,716,626.39-109,876,584,741.80-42,998,828,454.77

Finding the Fourth Proportional to 79,620,716,626.39, 109,876,584,741.80 and 42,998,828,454.77

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Solution

The fourth proportional to 79,620,716,626.39, 109,876,584,741.80 and 42,998,828,454.77 is: 59,338,380,997.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,620,716,626.39 : 109,876,584,741.80 = 42,998,828,454.77 : x
  2. Step 2: Convert to fraction form
    79,620,716,626.39/109,876,584,741.80 = 42,998,828,454.77/x
  3. Step 3: Cross multiply
    79,620,716,626.39x = 109,876,584,741.80 × 42,998,828,454.77
  4. Step 4: Simplify right side
    79,620,716,626.39x = 4,724,564,418,508,656,476,160
  5. Step 5: Solve for x
    x = 4,724,564,418,508,656,476,160/79,620,716,626.39
  6. Step 6: Final answer
    x = 59,338,380,997.98

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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.