Home / 1,514,728,581,554.90-2,090,327,458,358.10-820,270,338,008.31

Finding the Fourth Proportional to 1,514,728,581,554.90, 2,090,327,458,358.10 and 820,270,338,008.31

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Solution

The fourth proportional to 1,514,728,581,554.90, 2,090,327,458,358.10 and 820,270,338,008.31 is: 1,131,974,158,073.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514,728,581,554.90 : 2,090,327,458,358.10 = 820,270,338,008.31 : x
  2. Step 2: Convert to fraction form
    1,514,728,581,554.90/2,090,327,458,358.10 = 820,270,338,008.31/x
  3. Step 3: Cross multiply
    1,514,728,581,554.90x = 2,090,327,458,358.10 × 820,270,338,008.31
  4. Step 4: Simplify right side
    1,514,728,581,554.90x = 1,714,633,610,815,450,501,873,664
  5. Step 5: Solve for x
    x = 1,714,633,610,815,450,501,873,664/1,514,728,581,554.90
  6. Step 6: Final answer
    x = 1,131,974,158,073.48

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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.