Home / 289,588,605.70-434,382,908.55-207,534,115.30

Finding the Fourth Proportional to 289,588,605.70, 434,382,908.55 and 207,534,115.30

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Solution

The fourth proportional to 289,588,605.70, 434,382,908.55 and 207,534,115.30 is: 311,301,172.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,588,605.70 : 434,382,908.55 = 207,534,115.30 : x
  2. Step 2: Convert to fraction form
    289,588,605.70/434,382,908.55 = 207,534,115.30/x
  3. Step 3: Cross multiply
    289,588,605.70x = 434,382,908.55 × 207,534,115.30
  4. Step 4: Simplify right side
    289,588,605.70x = 90,149,272,627,365,056
  5. Step 5: Solve for x
    x = 90,149,272,627,365,056/289,588,605.70
  6. Step 6: Final answer
    x = 311,301,172.95

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.