Home / 370,901,505.03-511,818,473.12-205,876,083.75

Finding the Fourth Proportional to 370,901,505.03, 511,818,473.12 and 205,876,083.75

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Solution

The fourth proportional to 370,901,505.03, 511,818,473.12 and 205,876,083.75 is: 284,094,783.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,901,505.03 : 511,818,473.12 = 205,876,083.75 : x
  2. Step 2: Convert to fraction form
    370,901,505.03/511,818,473.12 = 205,876,083.75/x
  3. Step 3: Cross multiply
    370,901,505.03x = 511,818,473.12 × 205,876,083.75
  4. Step 4: Simplify right side
    370,901,505.03x = 105,371,182,835,820,864
  5. Step 5: Solve for x
    x = 105,371,182,835,820,864/370,901,505.03
  6. Step 6: Final answer
    x = 284,094,783.67

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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.