Home / 521,737,837.26-719,993,971.31-286,785,999.69

Finding the Fourth Proportional to 521,737,837.26, 719,993,971.31 and 286,785,999.69

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Solution

The fourth proportional to 521,737,837.26, 719,993,971.31 and 286,785,999.69 is: 395,762,346.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,737,837.26 : 719,993,971.31 = 286,785,999.69 : x
  2. Step 2: Convert to fraction form
    521,737,837.26/719,993,971.31 = 286,785,999.69/x
  3. Step 3: Cross multiply
    521,737,837.26x = 719,993,971.31 × 286,785,999.69
  4. Step 4: Simplify right side
    521,737,837.26x = 206,484,190,831,477,568
  5. Step 5: Solve for x
    x = 206,484,190,831,477,568/521,737,837.26
  6. Step 6: Final answer
    x = 395,762,346.69

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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.