Home / 79,620,716,626.95-109,876,584,742.58-42,998,828,455.34

Finding the Fourth Proportional to 79,620,716,626.95, 109,876,584,742.58 and 42,998,828,455.34

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Solution

The fourth proportional to 79,620,716,626.95, 109,876,584,742.58 and 42,998,828,455.34 is: 59,338,380,998.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,620,716,626.95 : 109,876,584,742.58 = 42,998,828,455.34 : x
  2. Step 2: Convert to fraction form
    79,620,716,626.95/109,876,584,742.58 = 42,998,828,455.34/x
  3. Step 3: Cross multiply
    79,620,716,626.95x = 109,876,584,742.58 × 42,998,828,455.34
  4. Step 4: Simplify right side
    79,620,716,626.95x = 4,724,564,418,604,825,575,424
  5. Step 5: Solve for x
    x = 4,724,564,418,604,825,575,424/79,620,716,626.95
  6. Step 6: Final answer
    x = 59,338,380,998.76

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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.