Home / 257,430,672.90-386,146,009.35-236,267,511.30

Finding the Fourth Proportional to 257,430,672.90, 386,146,009.35 and 236,267,511.30

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Solution

The fourth proportional to 257,430,672.90, 386,146,009.35 and 236,267,511.30 is: 354,401,266.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,430,672.90 : 386,146,009.35 = 236,267,511.30 : x
  2. Step 2: Convert to fraction form
    257,430,672.90/386,146,009.35 = 236,267,511.30/x
  3. Step 3: Cross multiply
    257,430,672.90x = 386,146,009.35 × 236,267,511.30
  4. Step 4: Simplify right side
    257,430,672.90x = 91,233,756,627,551,040
  5. Step 5: Solve for x
    x = 91,233,756,627,551,040/257,430,672.90
  6. Step 6: Final answer
    x = 354,401,266.95

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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.