Home / 315,425,008.40-473,137,512.60-223,592,003.60

Finding the Fourth Proportional to 315,425,008.40, 473,137,512.60 and 223,592,003.60

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Solution

The fourth proportional to 315,425,008.40, 473,137,512.60 and 223,592,003.60 is: 335,388,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,425,008.40 : 473,137,512.60 = 223,592,003.60 : x
  2. Step 2: Convert to fraction form
    315,425,008.40/473,137,512.60 = 223,592,003.60/x
  3. Step 3: Cross multiply
    315,425,008.40x = 473,137,512.60 × 223,592,003.60
  4. Step 4: Simplify right side
    315,425,008.40x = 105,789,764,420,554,240
  5. Step 5: Solve for x
    x = 105,789,764,420,554,240/315,425,008.40
  6. Step 6: Final answer
    x = 335,388,005.40

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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.