Home / 413,163,811.40-570,147,667.62-236,825,388.68

Finding the Fourth Proportional to 413,163,811.40, 570,147,667.62 and 236,825,388.68

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Solution

The fourth proportional to 413,163,811.40, 570,147,667.62 and 236,825,388.68 is: 326,808,494.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,163,811.40 : 570,147,667.62 = 236,825,388.68 : x
  2. Step 2: Convert to fraction form
    413,163,811.40/570,147,667.62 = 236,825,388.68/x
  3. Step 3: Cross multiply
    413,163,811.40x = 570,147,667.62 × 236,825,388.68
  4. Step 4: Simplify right side
    413,163,811.40x = 135,025,442,989,101,952
  5. Step 5: Solve for x
    x = 135,025,442,989,101,952/413,163,811.40
  6. Step 6: Final answer
    x = 326,808,494.02

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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.