Home / 413,722,509.80-620,533,998.30-171,360,141.80

Finding the Fourth Proportional to 413,722,509.80, 620,533,998.30 and 171,360,141.80

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Solution

The fourth proportional to 413,722,509.80, 620,533,998.30 and 171,360,141.80 is: 257,019,599.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,722,509.80 : 620,533,998.30 = 171,360,141.80 : x
  2. Step 2: Convert to fraction form
    413,722,509.80/620,533,998.30 = 171,360,141.80/x
  3. Step 3: Cross multiply
    413,722,509.80x = 620,533,998.30 × 171,360,141.80
  4. Step 4: Simplify right side
    413,722,509.80x = 106,334,793,940,408,960
  5. Step 5: Solve for x
    x = 106,334,793,940,408,960/413,722,509.80
  6. Step 6: Final answer
    x = 257,019,599.90

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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.