Home / 379,082,603.38-523,154,200.58-211,822,924.78

Finding the Fourth Proportional to 379,082,603.38, 523,154,200.58 and 211,822,924.78

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Solution

The fourth proportional to 379,082,603.38, 523,154,200.58 and 211,822,924.78 is: 292,326,927.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,082,603.38 : 523,154,200.58 = 211,822,924.78 : x
  2. Step 2: Convert to fraction form
    379,082,603.38/523,154,200.58 = 211,822,924.78/x
  3. Step 3: Cross multiply
    379,082,603.38x = 523,154,200.58 × 211,822,924.78
  4. Step 4: Simplify right side
    379,082,603.38x = 110,816,052,877,798,368
  5. Step 5: Solve for x
    x = 110,816,052,877,798,368/379,082,603.38
  6. Step 6: Final answer
    x = 292,326,927.93

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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.