Home / 1,694,622,526.72-2,338,519,440.81-931,661,041.66

Finding the Fourth Proportional to 1,694,622,526.72, 2,338,519,440.81 and 931,661,041.66

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Solution

The fourth proportional to 1,694,622,526.72, 2,338,519,440.81 and 931,661,041.66 is: 1,285,659,445.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694,622,526.72 : 2,338,519,440.81 = 931,661,041.66 : x
  2. Step 2: Convert to fraction form
    1,694,622,526.72/2,338,519,440.81 = 931,661,041.66/x
  3. Step 3: Cross multiply
    1,694,622,526.72x = 2,338,519,440.81 × 931,661,041.66
  4. Step 4: Simplify right side
    1,694,622,526.72x = 2,178,707,458,164,899,328
  5. Step 5: Solve for x
    x = 2,178,707,458,164,899,328/1,694,622,526.72
  6. Step 6: Final answer
    x = 1,285,659,445.58

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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.