Home / 1,066,964,688.90-1,601,342,828.55-485,593,604.10

Finding the Fourth Proportional to 1,066,964,688.90, 1,601,342,828.55 and 485,593,604.10

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Solution

The fourth proportional to 1,066,964,688.90, 1,601,342,828.55 and 485,593,604.10 is: 728,798,097.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,964,688.90 : 1,601,342,828.55 = 485,593,604.10 : x
  2. Step 2: Convert to fraction form
    1,066,964,688.90/1,601,342,828.55 = 485,593,604.10/x
  3. Step 3: Cross multiply
    1,066,964,688.90x = 1,601,342,828.55 × 485,593,604.10
  4. Step 4: Simplify right side
    1,066,964,688.90x = 777,601,835,515,282,944
  5. Step 5: Solve for x
    x = 777,601,835,515,282,944/1,066,964,688.90
  6. Step 6: Final answer
    x = 728,798,097.64

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Double scale
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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.