Home / 882,629,441.88-1,218,028,572.04-511,566,706.84

Finding the Fourth Proportional to 882,629,441.88, 1,218,028,572.04 and 511,566,706.84

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Solution

The fourth proportional to 882,629,441.88, 1,218,028,572.04 and 511,566,706.84 is: 705,962,021.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,629,441.88 : 1,218,028,572.04 = 511,566,706.84 : x
  2. Step 2: Convert to fraction form
    882,629,441.88/1,218,028,572.04 = 511,566,706.84/x
  3. Step 3: Cross multiply
    882,629,441.88x = 1,218,028,572.04 × 511,566,706.84
  4. Step 4: Simplify right side
    882,629,441.88x = 623,102,865,435,530,496
  5. Step 5: Solve for x
    x = 623,102,865,435,530,496/882,629,441.88
  6. Step 6: Final answer
    x = 705,962,021.97

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.