Home / 707,904,652.12-976,858,535.18-394,625,008.60

Finding the Fourth Proportional to 707,904,652.12, 976,858,535.18 and 394,625,008.60

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Solution

The fourth proportional to 707,904,652.12, 976,858,535.18 and 394,625,008.60 is: 544,554,703.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,904,652.12 : 976,858,535.18 = 394,625,008.60 : x
  2. Step 2: Convert to fraction form
    707,904,652.12/976,858,535.18 = 394,625,008.60/x
  3. Step 3: Cross multiply
    707,904,652.12x = 976,858,535.18 × 394,625,008.60
  4. Step 4: Simplify right side
    707,904,652.12x = 385,492,807,846,390,912
  5. Step 5: Solve for x
    x = 385,492,807,846,390,912/707,904,652.12
  6. Step 6: Final answer
    x = 544,554,703.37

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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.