Home / 468,359,810.88-646,337,297.56-256,633,000.28

Finding the Fourth Proportional to 468,359,810.88, 646,337,297.56 and 256,633,000.28

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Solution

The fourth proportional to 468,359,810.88, 646,337,297.56 and 256,633,000.28 is: 354,153,956.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,359,810.88 : 646,337,297.56 = 256,633,000.28 : x
  2. Step 2: Convert to fraction form
    468,359,810.88/646,337,297.56 = 256,633,000.28/x
  3. Step 3: Cross multiply
    468,359,810.88x = 646,337,297.56 × 256,633,000.28
  4. Step 4: Simplify right side
    468,359,810.88x = 165,871,479,864,722,912
  5. Step 5: Solve for x
    x = 165,871,479,864,722,912/468,359,810.88
  6. Step 6: Final answer
    x = 354,153,956.02

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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.