Home / 379,082,603.13-523,154,200.23-211,822,924.55

Finding the Fourth Proportional to 379,082,603.13, 523,154,200.23 and 211,822,924.55

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Solution

The fourth proportional to 379,082,603.13, 523,154,200.23 and 211,822,924.55 is: 292,326,927.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,082,603.13 : 523,154,200.23 = 211,822,924.55 : x
  2. Step 2: Convert to fraction form
    379,082,603.13/523,154,200.23 = 211,822,924.55/x
  3. Step 3: Cross multiply
    379,082,603.13x = 523,154,200.23 × 211,822,924.55
  4. Step 4: Simplify right side
    379,082,603.13x = 110,816,052,680,719,104
  5. Step 5: Solve for x
    x = 110,816,052,680,719,104/379,082,603.13
  6. Step 6: Final answer
    x = 292,326,927.60

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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.