Home / 538,402,429.96-807,603,601.20-170,195,989.84

Finding the Fourth Proportional to 538,402,429.96, 807,603,601.20 and 170,195,989.84

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Solution

The fourth proportional to 538,402,429.96, 807,603,601.20 and 170,195,989.84 is: 255,293,970.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,402,429.96 : 807,603,601.20 = 170,195,989.84 : x
  2. Step 2: Convert to fraction form
    538,402,429.96/807,603,601.20 = 170,195,989.84/x
  3. Step 3: Cross multiply
    538,402,429.96x = 807,603,601.20 × 170,195,989.84
  4. Step 4: Simplify right side
    538,402,429.96x = 137,450,894,304,582,624
  5. Step 5: Solve for x
    x = 137,450,894,304,582,624/538,402,429.96
  6. Step 6: Final answer
    x = 255,293,970.93

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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.