Home / 387,480,911.30-581,493,730.96-350,433,826.98

Finding the Fourth Proportional to 387,480,911.30, 581,493,730.96 and 350,433,826.98

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Solution

The fourth proportional to 387,480,911.30, 581,493,730.96 and 350,433,826.98 is: 525,897,063.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,480,911.30 : 581,493,730.96 = 350,433,826.98 : x
  2. Step 2: Convert to fraction form
    387,480,911.30/581,493,730.96 = 350,433,826.98/x
  3. Step 3: Cross multiply
    387,480,911.30x = 581,493,730.96 × 350,433,826.98
  4. Step 4: Simplify right side
    387,480,911.30x = 203,775,073,505,191,328
  5. Step 5: Solve for x
    x = 203,775,073,505,191,328/387,480,911.30
  6. Step 6: Final answer
    x = 525,897,063.73

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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.