Home / 11,272,765,022.40-16,909,147,533.60-8,160,772,497.60

Finding the Fourth Proportional to 11,272,765,022.40, 16,909,147,533.60 and 8,160,772,497.60

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Solution

The fourth proportional to 11,272,765,022.40, 16,909,147,533.60 and 8,160,772,497.60 is: 12,241,158,746.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,272,765,022.40 : 16,909,147,533.60 = 8,160,772,497.60 : x
  2. Step 2: Convert to fraction form
    11,272,765,022.40/16,909,147,533.60 = 8,160,772,497.60/x
  3. Step 3: Cross multiply
    11,272,765,022.40x = 16,909,147,533.60 × 8,160,772,497.60
  4. Step 4: Simplify right side
    11,272,765,022.40x = 137,991,706,150,063,767,552
  5. Step 5: Solve for x
    x = 137,991,706,150,063,767,552/11,272,765,022.40
  6. Step 6: Final answer
    x = 12,241,158,746.40

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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.