Home / 670,356,473.11-1,005,679,440.87-204,054,360.52

Finding the Fourth Proportional to 670,356,473.11, 1,005,679,440.87 and 204,054,360.52

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Solution

The fourth proportional to 670,356,473.11, 1,005,679,440.87 and 204,054,360.52 is: 306,125,596.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,356,473.11 : 1,005,679,440.87 = 204,054,360.52 : x
  2. Step 2: Convert to fraction form
    670,356,473.11/1,005,679,440.87 = 204,054,360.52/x
  3. Step 3: Cross multiply
    670,356,473.11x = 1,005,679,440.87 × 204,054,360.52
  4. Step 4: Simplify right side
    670,356,473.11x = 205,213,275,194,839,008
  5. Step 5: Solve for x
    x = 205,213,275,194,839,008/670,356,473.11
  6. Step 6: Final answer
    x = 306,125,596.49

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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.