Home / 8,191,144,663.32-11,303,699,160.78-4,431,872,746.92

Finding the Fourth Proportional to 8,191,144,663.32, 11,303,699,160.78 and 4,431,872,746.92

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Solution

The fourth proportional to 8,191,144,663.32, 11,303,699,160.78 and 4,431,872,746.92 is: 6,115,940,849.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,191,144,663.32 : 11,303,699,160.78 = 4,431,872,746.92 : x
  2. Step 2: Convert to fraction form
    8,191,144,663.32/11,303,699,160.78 = 4,431,872,746.92/x
  3. Step 3: Cross multiply
    8,191,144,663.32x = 11,303,699,160.78 × 4,431,872,746.92
  4. Step 4: Simplify right side
    8,191,144,663.32x = 50,096,556,250,043,359,232
  5. Step 5: Solve for x
    x = 50,096,556,250,043,359,232/8,191,144,663.32
  6. Step 6: Final answer
    x = 6,115,940,849.44

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Double scale
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1.5x scale

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.