Home / 313,896,129.92-470,413,727.66-198,674,997.20

Finding the Fourth Proportional to 313,896,129.92, 470,413,727.66 and 198,674,997.20

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Solution

The fourth proportional to 313,896,129.92, 470,413,727.66 and 198,674,997.20 is: 297,740,039.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,896,129.92 : 470,413,727.66 = 198,674,997.20 : x
  2. Step 2: Convert to fraction form
    313,896,129.92/470,413,727.66 = 198,674,997.20/x
  3. Step 3: Cross multiply
    313,896,129.92x = 470,413,727.66 × 198,674,997.20
  4. Step 4: Simplify right side
    313,896,129.92x = 93,459,446,025,692,064
  5. Step 5: Solve for x
    x = 93,459,446,025,692,064/313,896,129.92
  6. Step 6: Final answer
    x = 297,740,039.20

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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.