Home / 400,131,213.17-597,765,009.94-258,921,293.33

Finding the Fourth Proportional to 400,131,213.17, 597,765,009.94 and 258,921,293.33

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Solution

The fourth proportional to 400,131,213.17, 597,765,009.94 and 258,921,293.33 is: 386,808,337.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,131,213.17 : 597,765,009.94 = 258,921,293.33 : x
  2. Step 2: Convert to fraction form
    400,131,213.17/597,765,009.94 = 258,921,293.33/x
  3. Step 3: Cross multiply
    400,131,213.17x = 597,765,009.94 × 258,921,293.33
  4. Step 4: Simplify right side
    400,131,213.17x = 154,774,089,478,572,768
  5. Step 5: Solve for x
    x = 154,774,089,478,572,768/400,131,213.17
  6. Step 6: Final answer
    x = 386,808,337.83

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.