Home / 8,601,119,299.46-11,870,141,191.56-5,214,171,342.45

Finding the Fourth Proportional to 8,601,119,299.46, 11,870,141,191.56 and 5,214,171,342.45

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Solution

The fourth proportional to 8,601,119,299.46, 11,870,141,191.56 and 5,214,171,342.45 is: 7,195,918,098.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,601,119,299.46 : 11,870,141,191.56 = 5,214,171,342.45 : x
  2. Step 2: Convert to fraction form
    8,601,119,299.46/11,870,141,191.56 = 5,214,171,342.45/x
  3. Step 3: Cross multiply
    8,601,119,299.46x = 11,870,141,191.56 × 5,214,171,342.45
  4. Step 4: Simplify right side
    8,601,119,299.46x = 61,892,950,031,867,445,248
  5. Step 5: Solve for x
    x = 61,892,950,031,867,445,248/8,601,119,299.46
  6. Step 6: Final answer
    x = 7,195,918,098.22

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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.