Home / 7,988,358,771.15-11,982,538,156.73-3,333,573,340.35

Finding the Fourth Proportional to 7,988,358,771.15, 11,982,538,156.73 and 3,333,573,340.35

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Solution

The fourth proportional to 7,988,358,771.15, 11,982,538,156.73 and 3,333,573,340.35 is: 5,000,360,010.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988,358,771.15 : 11,982,538,156.73 = 3,333,573,340.35 : x
  2. Step 2: Convert to fraction form
    7,988,358,771.15/11,982,538,156.73 = 3,333,573,340.35/x
  3. Step 3: Cross multiply
    7,988,358,771.15x = 11,982,538,156.73 × 3,333,573,340.35
  4. Step 4: Simplify right side
    7,988,358,771.15x = 39,944,669,748,985,094,144
  5. Step 5: Solve for x
    x = 39,944,669,748,985,094,144/7,988,358,771.15
  6. Step 6: Final answer
    x = 5,000,360,010.53

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Double scale
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Similar ratio
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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.