Home / 915,829,786.86-1,373,569,452.45-355,591,628.34

Finding the Fourth Proportional to 915,829,786.86, 1,373,569,452.45 and 355,591,628.34

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Solution

The fourth proportional to 915,829,786.86, 1,373,569,452.45 and 355,591,628.34 is: 533,319,406.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,829,786.86 : 1,373,569,452.45 = 355,591,628.34 : x
  2. Step 2: Convert to fraction form
    915,829,786.86/1,373,569,452.45 = 355,591,628.34/x
  3. Step 3: Cross multiply
    915,829,786.86x = 1,373,569,452.45 × 355,591,628.34
  4. Step 4: Simplify right side
    915,829,786.86x = 488,429,798,234,777,664
  5. Step 5: Solve for x
    x = 488,429,798,234,777,664/915,829,786.86
  6. Step 6: Final answer
    x = 533,319,406.34

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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.