Home / 728,005,000.92-1,090,274,110.08-464,874,509.94

Finding the Fourth Proportional to 728,005,000.92, 1,090,274,110.08 and 464,874,509.94

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Solution

The fourth proportional to 728,005,000.92, 1,090,274,110.08 and 464,874,509.94 is: 696,204,891.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,005,000.92 : 1,090,274,110.08 = 464,874,509.94 : x
  2. Step 2: Convert to fraction form
    728,005,000.92/1,090,274,110.08 = 464,874,509.94/x
  3. Step 3: Cross multiply
    728,005,000.92x = 1,090,274,110.08 × 464,874,509.94
  4. Step 4: Simplify right side
    728,005,000.92x = 506,840,642,623,709,568
  5. Step 5: Solve for x
    x = 506,840,642,623,709,568/728,005,000.92
  6. Step 6: Final answer
    x = 696,204,891.43

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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.