Home / 634,844,676.78-876,087,683.62-352,587,066.46

Finding the Fourth Proportional to 634,844,676.78, 876,087,683.62 and 352,587,066.46

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Solution

The fourth proportional to 634,844,676.78, 876,087,683.62 and 352,587,066.46 is: 486,571,278.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,844,676.78 : 876,087,683.62 = 352,587,066.46 : x
  2. Step 2: Convert to fraction form
    634,844,676.78/876,087,683.62 = 352,587,066.46/x
  3. Step 3: Cross multiply
    634,844,676.78x = 876,087,683.62 × 352,587,066.46
  4. Step 4: Simplify right side
    634,844,676.78x = 308,897,186,329,312,384
  5. Step 5: Solve for x
    x = 308,897,186,329,312,384/634,844,676.78
  6. Step 6: Final answer
    x = 486,571,278.97

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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.