Home / 451,876,886.42-623,555,880.75-253,600,087.50

Finding the Fourth Proportional to 451,876,886.42, 623,555,880.75 and 253,600,087.50

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Solution

The fourth proportional to 451,876,886.42, 623,555,880.75 and 253,600,087.50 is: 349,948,914.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,876,886.42 : 623,555,880.75 = 253,600,087.50 : x
  2. Step 2: Convert to fraction form
    451,876,886.42/623,555,880.75 = 253,600,087.50/x
  3. Step 3: Cross multiply
    451,876,886.42x = 623,555,880.75 × 253,600,087.50
  4. Step 4: Simplify right side
    451,876,886.42x = 158,133,825,919,339,552
  5. Step 5: Solve for x
    x = 158,133,825,919,339,552/451,876,886.42
  6. Step 6: Final answer
    x = 349,948,914.57

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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.