Home / 470,352,987.86-649,123,481.70-282,188,363.00

Finding the Fourth Proportional to 470,352,987.86, 649,123,481.70 and 282,188,363.00

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Solution

The fourth proportional to 470,352,987.86, 649,123,481.70 and 282,188,363.00 is: 389,441,754.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,352,987.86 : 649,123,481.70 = 282,188,363.00 : x
  2. Step 2: Convert to fraction form
    470,352,987.86/649,123,481.70 = 282,188,363.00/x
  3. Step 3: Cross multiply
    470,352,987.86x = 649,123,481.70 × 282,188,363.00
  4. Step 4: Simplify right side
    470,352,987.86x = 183,175,092,682,537,856
  5. Step 5: Solve for x
    x = 183,175,092,682,537,856/470,352,987.86
  6. Step 6: Final answer
    x = 389,441,754.20

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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.