Home / 645,409,762.05-966,110,630.73-349,570,105.82

Finding the Fourth Proportional to 645,409,762.05, 966,110,630.73 and 349,570,105.82

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Solution

The fourth proportional to 645,409,762.05, 966,110,630.73 and 349,570,105.82 is: 523,269,735.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,409,762.05 : 966,110,630.73 = 349,570,105.82 : x
  2. Step 2: Convert to fraction form
    645,409,762.05/966,110,630.73 = 349,570,105.82/x
  3. Step 3: Cross multiply
    645,409,762.05x = 966,110,630.73 × 349,570,105.82
  4. Step 4: Simplify right side
    645,409,762.05x = 337,723,395,418,113,024
  5. Step 5: Solve for x
    x = 337,723,395,418,113,024/645,409,762.05
  6. Step 6: Final answer
    x = 523,269,735.41

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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.