Home / 370,901,429.03-511,818,368.23-205,876,007.75

Finding the Fourth Proportional to 370,901,429.03, 511,818,368.23 and 205,876,007.75

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Solution

The fourth proportional to 370,901,429.03, 511,818,368.23 and 205,876,007.75 is: 284,094,678.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,901,429.03 : 511,818,368.23 = 205,876,007.75 : x
  2. Step 2: Convert to fraction form
    370,901,429.03/511,818,368.23 = 205,876,007.75/x
  3. Step 3: Cross multiply
    370,901,429.03x = 511,818,368.23 × 205,876,007.75
  4. Step 4: Simplify right side
    370,901,429.03x = 105,371,122,344,311,840
  5. Step 5: Solve for x
    x = 105,371,122,344,311,840/370,901,429.03
  6. Step 6: Final answer
    x = 284,094,678.79

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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.