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Finding the Fourth Proportional to 11,956,961,330.55, 17,935,441,995.83 and 11,956,961,330.55

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Solution

The fourth proportional to 11,956,961,330.55, 17,935,441,995.83 and 11,956,961,330.55 is: 17,935,441,995.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,956,961,330.55 : 17,935,441,995.83 = 11,956,961,330.55 : x
  2. Step 2: Convert to fraction form
    11,956,961,330.55/17,935,441,995.83 = 11,956,961,330.55/x
  3. Step 3: Cross multiply
    11,956,961,330.55x = 17,935,441,995.83 × 11,956,961,330.55
  4. Step 4: Simplify right side
    11,956,961,330.55x = 214,453,386,390,402,039,808
  5. Step 5: Solve for x
    x = 214,453,386,390,402,039,808/11,956,961,330.55
  6. Step 6: Final answer
    x = 17,935,441,995.83

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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.