Home / 647,035,999.20-970,553,998.80-284,238,943.20

Finding the Fourth Proportional to 647,035,999.20, 970,553,998.80 and 284,238,943.20

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Solution

The fourth proportional to 647,035,999.20, 970,553,998.80 and 284,238,943.20 is: 426,358,414.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,035,999.20 : 970,553,998.80 = 284,238,943.20 : x
  2. Step 2: Convert to fraction form
    647,035,999.20/970,553,998.80 = 284,238,943.20/x
  3. Step 3: Cross multiply
    647,035,999.20x = 970,553,998.80 × 284,238,943.20
  4. Step 4: Simplify right side
    647,035,999.20x = 275,869,242,937,446,048
  5. Step 5: Solve for x
    x = 275,869,242,937,446,048/647,035,999.20
  6. Step 6: Final answer
    x = 426,358,414.80

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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.