Home / 366,881,376-506,129,469.05-218,118,086.68

Finding the Fourth Proportional to 366,881,376, 506,129,469.05 and 218,118,086.68

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Solution

The fourth proportional to 366,881,376, 506,129,469.05 and 218,118,086.68 is: 300,903,776.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,881,376 : 506,129,469.05 = 218,118,086.68 : x
  2. Step 2: Convert to fraction form
    366,881,376/506,129,469.05 = 218,118,086.68/x
  3. Step 3: Cross multiply
    366,881,376x = 506,129,469.05 × 218,118,086.68
  4. Step 4: Simplify right side
    366,881,376x = 110,395,991,401,550,288
  5. Step 5: Solve for x
    x = 110,395,991,401,550,288/366,881,376
  6. Step 6: Final answer
    x = 300,903,776.05

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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.