Home / 2,108,175,403.26-2,909,281,998.72-1,168,519,218.42

Finding the Fourth Proportional to 2,108,175,403.26, 2,909,281,998.72 and 1,168,519,218.42

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Solution

The fourth proportional to 2,108,175,403.26, 2,909,281,998.72 and 1,168,519,218.42 is: 1,612,556,489.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108,175,403.26 : 2,909,281,998.72 = 1,168,519,218.42 : x
  2. Step 2: Convert to fraction form
    2,108,175,403.26/2,909,281,998.72 = 1,168,519,218.42/x
  3. Step 3: Cross multiply
    2,108,175,403.26x = 2,909,281,998.72 × 1,168,519,218.42
  4. Step 4: Simplify right side
    2,108,175,403.26x = 3,399,551,927,307,670,016
  5. Step 5: Solve for x
    x = 3,399,551,927,307,670,016/2,108,175,403.26
  6. Step 6: Final answer
    x = 1,612,556,489.39

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Double scale
Find fourth proportional to 2,108,175,404.26, 2,909,282,000.10 and 1,168,519,219.42
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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.