Home / 340,644,631.68-511,009,441.74-133,356,266.46

Finding the Fourth Proportional to 340,644,631.68, 511,009,441.74 and 133,356,266.46

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Solution

The fourth proportional to 340,644,631.68, 511,009,441.74 and 133,356,266.46 is: 200,051,035.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,644,631.68 : 511,009,441.74 = 133,356,266.46 : x
  2. Step 2: Convert to fraction form
    340,644,631.68/511,009,441.74 = 133,356,266.46/x
  3. Step 3: Cross multiply
    340,644,631.68x = 511,009,441.74 × 133,356,266.46
  4. Step 4: Simplify right side
    340,644,631.68x = 68,146,311,276,255,280
  5. Step 5: Solve for x
    x = 68,146,311,276,255,280/340,644,631.68
  6. Step 6: Final answer
    x = 200,051,035.42

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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.