Home / 12,106,892,419.20-18,160,338,628.80-7,433,612,841.60

Finding the Fourth Proportional to 12,106,892,419.20, 18,160,338,628.80 and 7,433,612,841.60

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Solution

The fourth proportional to 12,106,892,419.20, 18,160,338,628.80 and 7,433,612,841.60 is: 11,150,419,262.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,106,892,419.20 : 18,160,338,628.80 = 7,433,612,841.60 : x
  2. Step 2: Convert to fraction form
    12,106,892,419.20/18,160,338,628.80 = 7,433,612,841.60/x
  3. Step 3: Cross multiply
    12,106,892,419.20x = 18,160,338,628.80 × 7,433,612,841.60
  4. Step 4: Simplify right side
    12,106,892,419.20x = 134,996,926,438,852,214,784
  5. Step 5: Solve for x
    x = 134,996,926,438,852,214,784/12,106,892,419.20
  6. Step 6: Final answer
    x = 11,150,419,262.40

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Double scale
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1.5x scale

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.