Home / 3,558,804,538.80-5,338,206,808.20-2,981,978,477.40

Finding the Fourth Proportional to 3,558,804,538.80, 5,338,206,808.20 and 2,981,978,477.40

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Solution

The fourth proportional to 3,558,804,538.80, 5,338,206,808.20 and 2,981,978,477.40 is: 4,472,967,716.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558,804,538.80 : 5,338,206,808.20 = 2,981,978,477.40 : x
  2. Step 2: Convert to fraction form
    3,558,804,538.80/5,338,206,808.20 = 2,981,978,477.40/x
  3. Step 3: Cross multiply
    3,558,804,538.80x = 5,338,206,808.20 × 2,981,978,477.40
  4. Step 4: Simplify right side
    3,558,804,538.80x = 15,918,417,809,962,549,248
  5. Step 5: Solve for x
    x = 15,918,417,809,962,549,248/3,558,804,538.80
  6. Step 6: Final answer
    x = 4,472,967,716.10

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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.