Home / 367,145,999.10-550,718,998.65-345,604,923.90

Finding the Fourth Proportional to 367,145,999.10, 550,718,998.65 and 345,604,923.90

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Solution

The fourth proportional to 367,145,999.10, 550,718,998.65 and 345,604,923.90 is: 518,407,385.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,145,999.10 : 550,718,998.65 = 345,604,923.90 : x
  2. Step 2: Convert to fraction form
    367,145,999.10/550,718,998.65 = 345,604,923.90/x
  3. Step 3: Cross multiply
    367,145,999.10x = 550,718,998.65 × 345,604,923.90
  4. Step 4: Simplify right side
    367,145,999.10x = 190,331,197,618,717,440
  5. Step 5: Solve for x
    x = 190,331,197,618,717,440/367,145,999.10
  6. Step 6: Final answer
    x = 518,407,385.85

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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.