Home / 414,072,003.90-620,871,809.85-155,295,666.30

Finding the Fourth Proportional to 414,072,003.90, 620,871,809.85 and 155,295,666.30

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Solution

The fourth proportional to 414,072,003.90, 620,871,809.85 and 155,295,666.30 is: 232,854,915.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,072,003.90 : 620,871,809.85 = 155,295,666.30 : x
  2. Step 2: Convert to fraction form
    414,072,003.90/620,871,809.85 = 155,295,666.30/x
  3. Step 3: Cross multiply
    414,072,003.90x = 620,871,809.85 × 155,295,666.30
  4. Step 4: Simplify right side
    414,072,003.90x = 96,418,701,397,542,672
  5. Step 5: Solve for x
    x = 96,418,701,397,542,672/414,072,003.90
  6. Step 6: Final answer
    x = 232,854,915.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.