Home / 488,101,016.42-731,856,491.79-196,627,715.93

Finding the Fourth Proportional to 488,101,016.42, 731,856,491.79 and 196,627,715.93

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Solution

The fourth proportional to 488,101,016.42, 731,856,491.79 and 196,627,715.93 is: 294,822,722.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,101,016.42 : 731,856,491.79 = 196,627,715.93 : x
  2. Step 2: Convert to fraction form
    488,101,016.42/731,856,491.79 = 196,627,715.93/x
  3. Step 3: Cross multiply
    488,101,016.42x = 731,856,491.79 × 196,627,715.93
  4. Step 4: Simplify right side
    488,101,016.42x = 143,903,270,369,210,496
  5. Step 5: Solve for x
    x = 143,903,270,369,210,496/488,101,016.42
  6. Step 6: Final answer
    x = 294,822,722.20

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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.