Home / 769,234,718.48-1,153,841,999.04-186,967,272.56

Finding the Fourth Proportional to 769,234,718.48, 1,153,841,999.04 and 186,967,272.56

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Solution

The fourth proportional to 769,234,718.48, 1,153,841,999.04 and 186,967,272.56 is: 280,448,459.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,234,718.48 : 1,153,841,999.04 = 186,967,272.56 : x
  2. Step 2: Convert to fraction form
    769,234,718.48/1,153,841,999.04 = 186,967,272.56/x
  3. Step 3: Cross multiply
    769,234,718.48x = 1,153,841,999.04 × 186,967,272.56
  4. Step 4: Simplify right side
    769,234,718.48x = 215,730,691,525,686,944
  5. Step 5: Solve for x
    x = 215,730,691,525,686,944/769,234,718.48
  6. Step 6: Final answer
    x = 280,448,459.15

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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.