Home / 509,315,401.06-763,972,147.91-159,588,242.21

Finding the Fourth Proportional to 509,315,401.06, 763,972,147.91 and 159,588,242.21

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Solution

The fourth proportional to 509,315,401.06, 763,972,147.91 and 159,588,242.21 is: 239,382,064.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,315,401.06 : 763,972,147.91 = 159,588,242.21 : x
  2. Step 2: Convert to fraction form
    509,315,401.06/763,972,147.91 = 159,588,242.21/x
  3. Step 3: Cross multiply
    509,315,401.06x = 763,972,147.91 × 159,588,242.21
  4. Step 4: Simplify right side
    509,315,401.06x = 121,920,972,184,663,936
  5. Step 5: Solve for x
    x = 121,920,972,184,663,936/509,315,401.06
  6. Step 6: Final answer
    x = 239,382,064.50

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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.