Home / 777,216,110.80-1,165,824,166.20-202,787,438.80

Finding the Fourth Proportional to 777,216,110.80, 1,165,824,166.20 and 202,787,438.80

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Solution

The fourth proportional to 777,216,110.80, 1,165,824,166.20 and 202,787,438.80 is: 304,181,158.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,216,110.80 : 1,165,824,166.20 = 202,787,438.80 : x
  2. Step 2: Convert to fraction form
    777,216,110.80/1,165,824,166.20 = 202,787,438.80/x
  3. Step 3: Cross multiply
    777,216,110.80x = 1,165,824,166.20 × 202,787,438.80
  4. Step 4: Simplify right side
    777,216,110.80x = 236,414,496,754,843,552
  5. Step 5: Solve for x
    x = 236,414,496,754,843,552/777,216,110.80
  6. Step 6: Final answer
    x = 304,181,158.20

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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.