Home / 198,625,536,005.40-297,938,304,008.10-104,262,021,739.80

Finding the Fourth Proportional to 198,625,536,005.40, 297,938,304,008.10 and 104,262,021,739.80

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Solution

The fourth proportional to 198,625,536,005.40, 297,938,304,008.10 and 104,262,021,739.80 is: 156,393,032,609.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,625,536,005.40 : 297,938,304,008.10 = 104,262,021,739.80 : x
  2. Step 2: Convert to fraction form
    198,625,536,005.40/297,938,304,008.10 = 104,262,021,739.80/x
  3. Step 3: Cross multiply
    198,625,536,005.40x = 297,938,304,008.10 × 104,262,021,739.80
  4. Step 4: Simplify right side
    198,625,536,005.40x = 31,063,649,929,611,660,230,656
  5. Step 5: Solve for x
    x = 31,063,649,929,611,660,230,656/198,625,536,005.40
  6. Step 6: Final answer
    x = 156,393,032,609.70

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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.