Home / 19,315,584,145.80-28,973,376,218.70-18,771,388,561.80

Finding the Fourth Proportional to 19,315,584,145.80, 28,973,376,218.70 and 18,771,388,561.80

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Solution

The fourth proportional to 19,315,584,145.80, 28,973,376,218.70 and 18,771,388,561.80 is: 28,157,082,842.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315,584,145.80 : 28,973,376,218.70 = 18,771,388,561.80 : x
  2. Step 2: Convert to fraction form
    19,315,584,145.80/28,973,376,218.70 = 18,771,388,561.80/x
  3. Step 3: Cross multiply
    19,315,584,145.80x = 28,973,376,218.70 × 18,771,388,561.80
  4. Step 4: Simplify right side
    19,315,584,145.80x = 543,870,502,948,433,297,408
  5. Step 5: Solve for x
    x = 543,870,502,948,433,297,408/19,315,584,145.80
  6. Step 6: Final answer
    x = 28,157,082,842.70

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1.5x scale

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.