Home / 451,876,890.79-623,555,886.79-253,600,091.88

Finding the Fourth Proportional to 451,876,890.79, 623,555,886.79 and 253,600,091.88

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Solution

The fourth proportional to 451,876,890.79, 623,555,886.79 and 253,600,091.88 is: 349,948,920.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,876,890.79 : 623,555,886.79 = 253,600,091.88 : x
  2. Step 2: Convert to fraction form
    451,876,890.79/623,555,886.79 = 253,600,091.88/x
  3. Step 3: Cross multiply
    451,876,890.79x = 623,555,886.79 × 253,600,091.88
  4. Step 4: Simplify right side
    451,876,890.79x = 158,133,830,182,258,880
  5. Step 5: Solve for x
    x = 158,133,830,182,258,880/451,876,890.79
  6. Step 6: Final answer
    x = 349,948,920.61

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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.