Home / 434,628,418.80-651,718,679.40-161,858,780.40

Finding the Fourth Proportional to 434,628,418.80, 651,718,679.40 and 161,858,780.40

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Solution

The fourth proportional to 434,628,418.80, 651,718,679.40 and 161,858,780.40 is: 242,704,770.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,628,418.80 : 651,718,679.40 = 161,858,780.40 : x
  2. Step 2: Convert to fraction form
    434,628,418.80/651,718,679.40 = 161,858,780.40/x
  3. Step 3: Cross multiply
    434,628,418.80x = 651,718,679.40 × 161,858,780.40
  4. Step 4: Simplify right side
    434,628,418.80x = 105,486,390,611,582,608
  5. Step 5: Solve for x
    x = 105,486,390,611,582,608/434,628,418.80
  6. Step 6: Final answer
    x = 242,704,770.44

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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.