Home / 893,617,835.61-1,233,203,769.93-491,777,816.26

Finding the Fourth Proportional to 893,617,835.61, 1,233,203,769.93 and 491,777,816.26

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Solution

The fourth proportional to 893,617,835.61, 1,233,203,769.93 and 491,777,816.26 is: 678,659,526.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,617,835.61 : 1,233,203,769.93 = 491,777,816.26 : x
  2. Step 2: Convert to fraction form
    893,617,835.61/1,233,203,769.93 = 491,777,816.26/x
  3. Step 3: Cross multiply
    893,617,835.61x = 1,233,203,769.93 × 491,777,816.26
  4. Step 4: Simplify right side
    893,617,835.61x = 606,462,256,971,149,952
  5. Step 5: Solve for x
    x = 606,462,256,971,149,952/893,617,835.61
  6. Step 6: Final answer
    x = 678,659,526.26

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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.