Home / 1,156,785,011.49-1,735,173,732.51-419,853,933.75

Finding the Fourth Proportional to 1,156,785,011.49, 1,735,173,732.51 and 419,853,933.75

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Solution

The fourth proportional to 1,156,785,011.49, 1,735,173,732.51 and 419,853,933.75 is: 629,779,526.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,785,011.49 : 1,735,173,732.51 = 419,853,933.75 : x
  2. Step 2: Convert to fraction form
    1,156,785,011.49/1,735,173,732.51 = 419,853,933.75/x
  3. Step 3: Cross multiply
    1,156,785,011.49x = 1,735,173,732.51 × 419,853,933.75
  4. Step 4: Simplify right side
    1,156,785,011.49x = 728,519,517,333,993,728
  5. Step 5: Solve for x
    x = 728,519,517,333,993,728/1,156,785,011.49
  6. Step 6: Final answer
    x = 629,779,526.96

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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.