Home / 700,347,163.20-966,529,125.60-387,074,635.20

Finding the Fourth Proportional to 700,347,163.20, 966,529,125.60 and 387,074,635.20

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Solution

The fourth proportional to 700,347,163.20, 966,529,125.60 and 387,074,635.20 is: 534,190,653.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,347,163.20 : 966,529,125.60 = 387,074,635.20 : x
  2. Step 2: Convert to fraction form
    700,347,163.20/966,529,125.60 = 387,074,635.20/x
  3. Step 3: Cross multiply
    700,347,163.20x = 966,529,125.60 × 387,074,635.20
  4. Step 4: Simplify right side
    700,347,163.20x = 374,118,908,701,795,008
  5. Step 5: Solve for x
    x = 374,118,908,701,795,008/700,347,163.20
  6. Step 6: Final answer
    x = 534,190,653.38

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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.