Home / 28,366,860,312.70-42,550,290,469.05-17,192,710,987.90

Finding the Fourth Proportional to 28,366,860,312.70, 42,550,290,469.05 and 17,192,710,987.90

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Solution

The fourth proportional to 28,366,860,312.70, 42,550,290,469.05 and 17,192,710,987.90 is: 25,789,066,481.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,366,860,312.70 : 42,550,290,469.05 = 17,192,710,987.90 : x
  2. Step 2: Convert to fraction form
    28,366,860,312.70/42,550,290,469.05 = 17,192,710,987.90/x
  3. Step 3: Cross multiply
    28,366,860,312.70x = 42,550,290,469.05 × 17,192,710,987.90
  4. Step 4: Simplify right side
    28,366,860,312.70x = 731,554,846,485,572,747,264
  5. Step 5: Solve for x
    x = 731,554,846,485,572,747,264/28,366,860,312.70
  6. Step 6: Final answer
    x = 25,789,066,481.85

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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.