Home / 257,429,959.20-386,144,938.80-229,212,410.40

Finding the Fourth Proportional to 257,429,959.20, 386,144,938.80 and 229,212,410.40

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Solution

The fourth proportional to 257,429,959.20, 386,144,938.80 and 229,212,410.40 is: 343,818,615.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,429,959.20 : 386,144,938.80 = 229,212,410.40 : x
  2. Step 2: Convert to fraction form
    257,429,959.20/386,144,938.80 = 229,212,410.40/x
  3. Step 3: Cross multiply
    257,429,959.20x = 386,144,938.80 × 229,212,410.40
  4. Step 4: Simplify right side
    257,429,959.20x = 88,509,212,186,108,496
  5. Step 5: Solve for x
    x = 88,509,212,186,108,496/257,429,959.20
  6. Step 6: Final answer
    x = 343,818,615.60

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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.