Home / 293,815,542.20-440,723,313.30-157,766,646.20

Finding the Fourth Proportional to 293,815,542.20, 440,723,313.30 and 157,766,646.20

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Solution

The fourth proportional to 293,815,542.20, 440,723,313.30 and 157,766,646.20 is: 236,649,969.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,815,542.20 : 440,723,313.30 = 157,766,646.20 : x
  2. Step 2: Convert to fraction form
    293,815,542.20/440,723,313.30 = 157,766,646.20/x
  3. Step 3: Cross multiply
    293,815,542.20x = 440,723,313.30 × 157,766,646.20
  4. Step 4: Simplify right side
    293,815,542.20x = 69,531,439,041,492,848
  5. Step 5: Solve for x
    x = 69,531,439,041,492,848/293,815,542.20
  6. Step 6: Final answer
    x = 236,649,969.30

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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.