Home / 384,516,812.70-576,790,965.45-111,887,579.70

Finding the Fourth Proportional to 384,516,812.70, 576,790,965.45 and 111,887,579.70

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Solution

The fourth proportional to 384,516,812.70, 576,790,965.45 and 111,887,579.70 is: 167,835,951.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,516,812.70 : 576,790,965.45 = 111,887,579.70 : x
  2. Step 2: Convert to fraction form
    384,516,812.70/576,790,965.45 = 111,887,579.70/x
  3. Step 3: Cross multiply
    384,516,812.70x = 576,790,965.45 × 111,887,579.70
  4. Step 4: Simplify right side
    384,516,812.70x = 64,535,745,117,026,832
  5. Step 5: Solve for x
    x = 64,535,745,117,026,832/384,516,812.70
  6. Step 6: Final answer
    x = 167,835,951.47

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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.