Home / 19,315,584,300.80-28,973,376,451.20-18,771,388,716.80

Finding the Fourth Proportional to 19,315,584,300.80, 28,973,376,451.20 and 18,771,388,716.80

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Solution

The fourth proportional to 19,315,584,300.80, 28,973,376,451.20 and 18,771,388,716.80 is: 28,157,083,075.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315,584,300.80 : 28,973,376,451.20 = 18,771,388,716.80 : x
  2. Step 2: Convert to fraction form
    19,315,584,300.80/28,973,376,451.20 = 18,771,388,716.80/x
  3. Step 3: Cross multiply
    19,315,584,300.80x = 28,973,376,451.20 × 18,771,388,716.80
  4. Step 4: Simplify right side
    19,315,584,300.80x = 543,870,511,803,654,471,680
  5. Step 5: Solve for x
    x = 543,870,511,803,654,471,680/19,315,584,300.80
  6. Step 6: Final answer
    x = 28,157,083,075.20

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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.