Home / 5,105,615,200.80-7,658,674,743.60-2,656,735,072.80

Finding the Fourth Proportional to 5,105,615,200.80, 7,658,674,743.60 and 2,656,735,072.80

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Solution

The fourth proportional to 5,105,615,200.80, 7,658,674,743.60 and 2,656,735,072.80 is: 3,985,233,708.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105,615,200.80 : 7,658,674,743.60 = 2,656,735,072.80 : x
  2. Step 2: Convert to fraction form
    5,105,615,200.80/7,658,674,743.60 = 2,656,735,072.80/x
  3. Step 3: Cross multiply
    5,105,615,200.80x = 7,658,674,743.60 × 2,656,735,072.80
  4. Step 4: Simplify right side
    5,105,615,200.80x = 20,347,069,802,489,671,680
  5. Step 5: Solve for x
    x = 20,347,069,802,489,671,680/5,105,615,200.80
  6. Step 6: Final answer
    x = 3,985,233,708.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.