Home / 478,821,102.64-718,253,059.12-146,804,223.62

Finding the Fourth Proportional to 478,821,102.64, 718,253,059.12 and 146,804,223.62

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Solution

The fourth proportional to 478,821,102.64, 718,253,059.12 and 146,804,223.62 is: 220,212,898.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,821,102.64 : 718,253,059.12 = 146,804,223.62 : x
  2. Step 2: Convert to fraction form
    478,821,102.64/718,253,059.12 = 146,804,223.62/x
  3. Step 3: Cross multiply
    478,821,102.64x = 718,253,059.12 × 146,804,223.62
  4. Step 4: Simplify right side
    478,821,102.64x = 105,442,582,708,230,176
  5. Step 5: Solve for x
    x = 105,442,582,708,230,176/478,821,102.64
  6. Step 6: Final answer
    x = 220,212,898.15

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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.