Home / 355,103,998.20-532,655,997.30-257,602,289.40

Finding the Fourth Proportional to 355,103,998.20, 532,655,997.30 and 257,602,289.40

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Solution

The fourth proportional to 355,103,998.20, 532,655,997.30 and 257,602,289.40 is: 386,403,434.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,103,998.20 : 532,655,997.30 = 257,602,289.40 : x
  2. Step 2: Convert to fraction form
    355,103,998.20/532,655,997.30 = 257,602,289.40/x
  3. Step 3: Cross multiply
    355,103,998.20x = 532,655,997.30 × 257,602,289.40
  4. Step 4: Simplify right side
    355,103,998.20x = 137,213,404,367,120,224
  5. Step 5: Solve for x
    x = 137,213,404,367,120,224/355,103,998.20
  6. Step 6: Final answer
    x = 386,403,434.10

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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.