Home / 363,391,570.90-545,087,356.35-210,336,562.90

Finding the Fourth Proportional to 363,391,570.90, 545,087,356.35 and 210,336,562.90

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Solution

The fourth proportional to 363,391,570.90, 545,087,356.35 and 210,336,562.90 is: 315,504,844.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,391,570.90 : 545,087,356.35 = 210,336,562.90 : x
  2. Step 2: Convert to fraction form
    363,391,570.90/545,087,356.35 = 210,336,562.90/x
  3. Step 3: Cross multiply
    363,391,570.90x = 545,087,356.35 × 210,336,562.90
  4. Step 4: Simplify right side
    363,391,570.90x = 114,651,801,014,906,496
  5. Step 5: Solve for x
    x = 114,651,801,014,906,496/363,391,570.90
  6. Step 6: Final answer
    x = 315,504,844.35

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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.