Home / 551,738,105.22-761,583,087.64-328,789,699.16

Finding the Fourth Proportional to 551,738,105.22, 761,583,087.64 and 328,789,699.16

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Solution

The fourth proportional to 551,738,105.22, 761,583,087.64 and 328,789,699.16 is: 453,839,732.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,738,105.22 : 761,583,087.64 = 328,789,699.16 : x
  2. Step 2: Convert to fraction form
    551,738,105.22/761,583,087.64 = 328,789,699.16/x
  3. Step 3: Cross multiply
    551,738,105.22x = 761,583,087.64 × 328,789,699.16
  4. Step 4: Simplify right side
    551,738,105.22x = 250,400,674,270,499,520
  5. Step 5: Solve for x
    x = 250,400,674,270,499,520/551,738,105.22
  6. Step 6: Final answer
    x = 453,839,732.84

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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.