Home / 651,529,090.62-899,103,757.50-354,153,639.60

Finding the Fourth Proportional to 651,529,090.62, 899,103,757.50 and 354,153,639.60

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Solution

The fourth proportional to 651,529,090.62, 899,103,757.50 and 354,153,639.60 is: 488,728,550.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,529,090.62 : 899,103,757.50 = 354,153,639.60 : x
  2. Step 2: Convert to fraction form
    651,529,090.62/899,103,757.50 = 354,153,639.60/x
  3. Step 3: Cross multiply
    651,529,090.62x = 899,103,757.50 × 354,153,639.60
  4. Step 4: Simplify right side
    651,529,090.62x = 318,420,868,096,660,800
  5. Step 5: Solve for x
    x = 318,420,868,096,660,800/651,529,090.62
  6. Step 6: Final answer
    x = 488,728,550.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.