Home / 52,391,771,999.80-78,587,657,999.70-20,933,866,022.20

Finding the Fourth Proportional to 52,391,771,999.80, 78,587,657,999.70 and 20,933,866,022.20

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Solution

The fourth proportional to 52,391,771,999.80, 78,587,657,999.70 and 20,933,866,022.20 is: 31,400,799,033.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,391,771,999.80 : 78,587,657,999.70 = 20,933,866,022.20 : x
  2. Step 2: Convert to fraction form
    52,391,771,999.80/78,587,657,999.70 = 20,933,866,022.20/x
  3. Step 3: Cross multiply
    52,391,771,999.80x = 78,587,657,999.70 × 20,933,866,022.20
  4. Step 4: Simplify right side
    52,391,771,999.80x = 1,645,143,503,564,193,923,072
  5. Step 5: Solve for x
    x = 1,645,143,503,564,193,923,072/52,391,771,999.80
  6. Step 6: Final answer
    x = 31,400,799,033.30

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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.