Home / 1,419,942,506.81-2,130,142,630.30-437,368,589.15

Finding the Fourth Proportional to 1,419,942,506.81, 2,130,142,630.30 and 437,368,589.15

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Solution

The fourth proportional to 1,419,942,506.81, 2,130,142,630.30 and 437,368,589.15 is: 656,123,379.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,942,506.81 : 2,130,142,630.30 = 437,368,589.15 : x
  2. Step 2: Convert to fraction form
    1,419,942,506.81/2,130,142,630.30 = 437,368,589.15/x
  3. Step 3: Cross multiply
    1,419,942,506.81x = 2,130,142,630.30 × 437,368,589.15
  4. Step 4: Simplify right side
    1,419,942,506.81x = 931,657,476,890,836,864
  5. Step 5: Solve for x
    x = 931,657,476,890,836,864/1,419,942,506.81
  6. Step 6: Final answer
    x = 656,123,379.94

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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.