Home / 1,514,728,581,567.40-2,090,327,458,375.60-820,270,338,020.80

Finding the Fourth Proportional to 1,514,728,581,567.40, 2,090,327,458,375.60 and 820,270,338,020.80

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Solution

The fourth proportional to 1,514,728,581,567.40, 2,090,327,458,375.60 and 820,270,338,020.80 is: 1,131,974,158,090.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514,728,581,567.40 : 2,090,327,458,375.60 = 820,270,338,020.80 : x
  2. Step 2: Convert to fraction form
    1,514,728,581,567.40/2,090,327,458,375.60 = 820,270,338,020.80/x
  3. Step 3: Cross multiply
    1,514,728,581,567.40x = 2,090,327,458,375.60 × 820,270,338,020.80
  4. Step 4: Simplify right side
    1,514,728,581,567.40x = 1,714,633,610,855,913,388,769,280
  5. Step 5: Solve for x
    x = 1,714,633,610,855,913,388,769,280/1,514,728,581,567.40
  6. Step 6: Final answer
    x = 1,131,974,158,090.86

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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.