Home / 4,929,659,838-6,803,660,750.40-3,121,339,806

Finding the Fourth Proportional to 4,929,659,838, 6,803,660,750.40 and 3,121,339,806

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Solution

The fourth proportional to 4,929,659,838, 6,803,660,750.40 and 3,121,339,806 is: 4,307,911,260.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,929,659,838 : 6,803,660,750.40 = 3,121,339,806 : x
  2. Step 2: Convert to fraction form
    4,929,659,838/6,803,660,750.40 = 3,121,339,806/x
  3. Step 3: Cross multiply
    4,929,659,838x = 6,803,660,750.40 × 3,121,339,806
  4. Step 4: Simplify right side
    4,929,659,838x = 21,236,537,126,743,347,200
  5. Step 5: Solve for x
    x = 21,236,537,126,743,347,200/4,929,659,838
  6. Step 6: Final answer
    x = 4,307,911,260.54

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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.