Home / 302,144,136,816.36-416,995,471,759.95-171,964,644,368.25

Finding the Fourth Proportional to 302,144,136,816.36, 416,995,471,759.95 and 171,964,644,368.25

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Solution

The fourth proportional to 302,144,136,816.36, 416,995,471,759.95 and 171,964,644,368.25 is: 237,332,018,949.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,144,136,816.36 : 416,995,471,759.95 = 171,964,644,368.25 : x
  2. Step 2: Convert to fraction form
    302,144,136,816.36/416,995,471,759.95 = 171,964,644,368.25/x
  3. Step 3: Cross multiply
    302,144,136,816.36x = 416,995,471,759.95 × 171,964,644,368.25
  4. Step 4: Simplify right side
    302,144,136,816.36x = 71,708,478,004,370,438,356,992
  5. Step 5: Solve for x
    x = 71,708,478,004,370,438,356,992/302,144,136,816.36
  6. Step 6: Final answer
    x = 237,332,018,949.47

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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.