Home / 20,515,047,762.74-28,310,473,100.40-11,358,701,552

Finding the Fourth Proportional to 20,515,047,762.74, 28,310,473,100.40 and 11,358,701,552

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Solution

The fourth proportional to 20,515,047,762.74, 28,310,473,100.40 and 11,358,701,552 is: 15,674,846,018.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,515,047,762.74 : 28,310,473,100.40 = 11,358,701,552 : x
  2. Step 2: Convert to fraction form
    20,515,047,762.74/28,310,473,100.40 = 11,358,701,552/x
  3. Step 3: Cross multiply
    20,515,047,762.74x = 28,310,473,100.40 × 11,358,701,552
  4. Step 4: Simplify right side
    20,515,047,762.74x = 321,570,214,743,367,745,536
  5. Step 5: Solve for x
    x = 321,570,214,743,367,745,536/20,515,047,762.74
  6. Step 6: Final answer
    x = 15,674,846,018.51

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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.