Home / 283,098,254.94-390,474,345.78-188,964,940.79

Finding the Fourth Proportional to 283,098,254.94, 390,474,345.78 and 188,964,940.79

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Solution

The fourth proportional to 283,098,254.94, 390,474,345.78 and 188,964,940.79 is: 260,637,288.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,098,254.94 : 390,474,345.78 = 188,964,940.79 : x
  2. Step 2: Convert to fraction form
    283,098,254.94/390,474,345.78 = 188,964,940.79/x
  3. Step 3: Cross multiply
    283,098,254.94x = 390,474,345.78 × 188,964,940.79
  4. Step 4: Simplify right side
    283,098,254.94x = 73,785,961,628,379,312
  5. Step 5: Solve for x
    x = 73,785,961,628,379,312/283,098,254.94
  6. Step 6: Final answer
    x = 260,637,288.79

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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.