Home / 696,805,129,593.06-961,463,428,242.48-388,148,807,469.69

Finding the Fourth Proportional to 696,805,129,593.06, 961,463,428,242.48 and 388,148,807,469.69

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Solution

The fourth proportional to 696,805,129,593.06, 961,463,428,242.48 and 388,148,807,469.69 is: 535,574,247,732.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,805,129,593.06 : 961,463,428,242.48 = 388,148,807,469.69 : x
  2. Step 2: Convert to fraction form
    696,805,129,593.06/961,463,428,242.48 = 388,148,807,469.69/x
  3. Step 3: Cross multiply
    696,805,129,593.06x = 961,463,428,242.48 × 388,148,807,469.69
  4. Step 4: Simplify right side
    696,805,129,593.06x = 373,190,883,098,038,466,772,992
  5. Step 5: Solve for x
    x = 373,190,883,098,038,466,772,992/696,805,129,593.06
  6. Step 6: Final answer
    x = 535,574,247,732.63

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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.