Home / 2,618,132,881.62-3,613,099,677.13-1,428,778,458.12

Finding the Fourth Proportional to 2,618,132,881.62, 3,613,099,677.13 and 1,428,778,458.12

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Solution

The fourth proportional to 2,618,132,881.62, 3,613,099,677.13 and 1,428,778,458.12 is: 1,971,755,911.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,618,132,881.62 : 3,613,099,677.13 = 1,428,778,458.12 : x
  2. Step 2: Convert to fraction form
    2,618,132,881.62/3,613,099,677.13 = 1,428,778,458.12/x
  3. Step 3: Cross multiply
    2,618,132,881.62x = 3,613,099,677.13 × 1,428,778,458.12
  4. Step 4: Simplify right side
    2,618,132,881.62x = 5,162,318,985,723,670,528
  5. Step 5: Solve for x
    x = 5,162,318,985,723,670,528/2,618,132,881.62
  6. Step 6: Final answer
    x = 1,971,755,911.23

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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.