Home / 349,468,009.60-524,202,014.40-213,419,113.60

Finding the Fourth Proportional to 349,468,009.60, 524,202,014.40 and 213,419,113.60

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Solution

The fourth proportional to 349,468,009.60, 524,202,014.40 and 213,419,113.60 is: 320,128,670.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,468,009.60 : 524,202,014.40 = 213,419,113.60 : x
  2. Step 2: Convert to fraction form
    349,468,009.60/524,202,014.40 = 213,419,113.60/x
  3. Step 3: Cross multiply
    349,468,009.60x = 524,202,014.40 × 213,419,113.60
  4. Step 4: Simplify right side
    349,468,009.60x = 111,874,729,260,582,432
  5. Step 5: Solve for x
    x = 111,874,729,260,582,432/349,468,009.60
  6. Step 6: Final answer
    x = 320,128,670.40

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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.