Home / 618,919,502.31-854,113,416.53-336,664,380.15

Finding the Fourth Proportional to 618,919,502.31, 854,113,416.53 and 336,664,380.15

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Solution

The fourth proportional to 618,919,502.31, 854,113,416.53 and 336,664,380.15 is: 464,599,294.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,919,502.31 : 854,113,416.53 = 336,664,380.15 : x
  2. Step 2: Convert to fraction form
    618,919,502.31/854,113,416.53 = 336,664,380.15/x
  3. Step 3: Cross multiply
    618,919,502.31x = 854,113,416.53 × 336,664,380.15
  4. Step 4: Simplify right side
    618,919,502.31x = 287,549,563,952,187,872
  5. Step 5: Solve for x
    x = 287,549,563,952,187,872/618,919,502.31
  6. Step 6: Final answer
    x = 464,599,294.22

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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.