Home / 728,004,998.30-1,090,274,106.15-464,874,507.32

Finding the Fourth Proportional to 728,004,998.30, 1,090,274,106.15 and 464,874,507.32

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Solution

The fourth proportional to 728,004,998.30, 1,090,274,106.15 and 464,874,507.32 is: 696,204,887.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,004,998.30 : 1,090,274,106.15 = 464,874,507.32 : x
  2. Step 2: Convert to fraction form
    728,004,998.30/1,090,274,106.15 = 464,874,507.32/x
  3. Step 3: Cross multiply
    728,004,998.30x = 1,090,274,106.15 × 464,874,507.32
  4. Step 4: Simplify right side
    728,004,998.30x = 506,840,637,934,783,296
  5. Step 5: Solve for x
    x = 506,840,637,934,783,296/728,004,998.30
  6. Step 6: Final answer
    x = 696,204,887.50

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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.