Home / 538,063,243.20-807,094,864.80-407,966,486.40

Finding the Fourth Proportional to 538,063,243.20, 807,094,864.80 and 407,966,486.40

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Solution

The fourth proportional to 538,063,243.20, 807,094,864.80 and 407,966,486.40 is: 611,949,729.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,063,243.20 : 807,094,864.80 = 407,966,486.40 : x
  2. Step 2: Convert to fraction form
    538,063,243.20/807,094,864.80 = 407,966,486.40/x
  3. Step 3: Cross multiply
    538,063,243.20x = 807,094,864.80 × 407,966,486.40
  4. Step 4: Simplify right side
    538,063,243.20x = 329,267,656,183,939,008
  5. Step 5: Solve for x
    x = 329,267,656,183,939,008/538,063,243.20
  6. Step 6: Final answer
    x = 611,949,729.60

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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.