Home / 660,483,649.20-990,721,537.20-169,195,969.20

Finding the Fourth Proportional to 660,483,649.20, 990,721,537.20 and 169,195,969.20

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Solution

The fourth proportional to 660,483,649.20, 990,721,537.20 and 169,195,969.20 is: 253,792,945.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,483,649.20 : 990,721,537.20 = 169,195,969.20 : x
  2. Step 2: Convert to fraction form
    660,483,649.20/990,721,537.20 = 169,195,969.20/x
  3. Step 3: Cross multiply
    660,483,649.20x = 990,721,537.20 × 169,195,969.20
  4. Step 4: Simplify right side
    660,483,649.20x = 167,626,090,693,867,840
  5. Step 5: Solve for x
    x = 167,626,090,693,867,840/660,483,649.20
  6. Step 6: Final answer
    x = 253,792,945.36

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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.