Home / 423,960,014.40-635,940,021.60-242,561,486.40

Finding the Fourth Proportional to 423,960,014.40, 635,940,021.60 and 242,561,486.40

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Solution

The fourth proportional to 423,960,014.40, 635,940,021.60 and 242,561,486.40 is: 363,842,229.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,960,014.40 : 635,940,021.60 = 242,561,486.40 : x
  2. Step 2: Convert to fraction form
    423,960,014.40/635,940,021.60 = 242,561,486.40/x
  3. Step 3: Cross multiply
    423,960,014.40x = 635,940,021.60 × 242,561,486.40
  4. Step 4: Simplify right side
    423,960,014.40x = 154,254,556,900,544,128
  5. Step 5: Solve for x
    x = 154,254,556,900,544,128/423,960,014.40
  6. Step 6: Final answer
    x = 363,842,229.60

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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.