Home / 289,325,314.98-399,221,605.05-170,348,169.69

Finding the Fourth Proportional to 289,325,314.98, 399,221,605.05 and 170,348,169.69

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Solution

The fourth proportional to 289,325,314.98, 399,221,605.05 and 170,348,169.69 is: 235,052,607.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,325,314.98 : 399,221,605.05 = 170,348,169.69 : x
  2. Step 2: Convert to fraction form
    289,325,314.98/399,221,605.05 = 170,348,169.69/x
  3. Step 3: Cross multiply
    289,325,314.98x = 399,221,605.05 × 170,348,169.69
  4. Step 4: Simplify right side
    289,325,314.98x = 68,006,669,720,971,560
  5. Step 5: Solve for x
    x = 68,006,669,720,971,560/289,325,314.98
  6. Step 6: Final answer
    x = 235,052,607.57

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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.