Home / 289,325,310.48-399,221,598.84-170,348,165.19

Finding the Fourth Proportional to 289,325,310.48, 399,221,598.84 and 170,348,165.19

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Solution

The fourth proportional to 289,325,310.48, 399,221,598.84 and 170,348,165.19 is: 235,052,601.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,325,310.48 : 399,221,598.84 = 170,348,165.19 : x
  2. Step 2: Convert to fraction form
    289,325,310.48/399,221,598.84 = 170,348,165.19/x
  3. Step 3: Cross multiply
    289,325,310.48x = 399,221,598.84 × 170,348,165.19
  4. Step 4: Simplify right side
    289,325,310.48x = 68,006,666,866,612,224
  5. Step 5: Solve for x
    x = 68,006,666,866,612,224/289,325,310.48
  6. Step 6: Final answer
    x = 235,052,601.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.