Home / 1,065,009,988.11-1,469,685,588.17-595,115,170.32

Finding the Fourth Proportional to 1,065,009,988.11, 1,469,685,588.17 and 595,115,170.32

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Solution

The fourth proportional to 1,065,009,988.11, 1,469,685,588.17 and 595,115,170.32 is: 821,243,179.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,009,988.11 : 1,469,685,588.17 = 595,115,170.32 : x
  2. Step 2: Convert to fraction form
    1,065,009,988.11/1,469,685,588.17 = 595,115,170.32/x
  3. Step 3: Cross multiply
    1,065,009,988.11x = 1,469,685,588.17 × 595,115,170.32
  4. Step 4: Simplify right side
    1,065,009,988.11x = 874,632,189,117,663,360
  5. Step 5: Solve for x
    x = 874,632,189,117,663,360/1,065,009,988.11
  6. Step 6: Final answer
    x = 821,243,179.77

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.