Home / 766,157,987,205.05-1,149,238,086,878.20-312,876,891,281.08

Finding the Fourth Proportional to 766,157,987,205.05, 1,149,238,086,878.20 and 312,876,891,281.08

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Solution

The fourth proportional to 766,157,987,205.05, 1,149,238,086,878.20 and 312,876,891,281.08 is: 469,315,788,609.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,157,987,205.05 : 1,149,238,086,878.20 = 312,876,891,281.08 : x
  2. Step 2: Convert to fraction form
    766,157,987,205.05/1,149,238,086,878.20 = 312,876,891,281.08/x
  3. Step 3: Cross multiply
    766,157,987,205.05x = 1,149,238,086,878.20 × 312,876,891,281.08
  4. Step 4: Simplify right side
    766,157,987,205.05x = 359,570,039,964,266,978,607,104
  5. Step 5: Solve for x
    x = 359,570,039,964,266,978,607,104/766,157,987,205.05
  6. Step 6: Final answer
    x = 469,315,788,609.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.