Home / 1,686,058,784.83-2,326,788,669.79-923,090,126.09

Finding the Fourth Proportional to 1,686,058,784.83, 2,326,788,669.79 and 923,090,126.09

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Solution

The fourth proportional to 1,686,058,784.83, 2,326,788,669.79 and 923,090,126.09 is: 1,273,879,455.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,058,784.83 : 2,326,788,669.79 = 923,090,126.09 : x
  2. Step 2: Convert to fraction form
    1,686,058,784.83/2,326,788,669.79 = 923,090,126.09/x
  3. Step 3: Cross multiply
    1,686,058,784.83x = 2,326,788,669.79 × 923,090,126.09
  4. Step 4: Simplify right side
    1,686,058,784.83x = 2,147,835,646,584,743,680
  5. Step 5: Solve for x
    x = 2,147,835,646,584,743,680/1,686,058,784.83
  6. Step 6: Final answer
    x = 1,273,879,455.40

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Double scale
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1.5x scale

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.