Home / 1,220,051,088.72-1,684,481,311.17-937,289,933.46

Finding the Fourth Proportional to 1,220,051,088.72, 1,684,481,311.17 and 937,289,933.46

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Solution

The fourth proportional to 1,220,051,088.72, 1,684,481,311.17 and 937,289,933.46 is: 1,294,083,002.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,051,088.72 : 1,684,481,311.17 = 937,289,933.46 : x
  2. Step 2: Convert to fraction form
    1,220,051,088.72/1,684,481,311.17 = 937,289,933.46/x
  3. Step 3: Cross multiply
    1,220,051,088.72x = 1,684,481,311.17 × 937,289,933.46
  4. Step 4: Simplify right side
    1,220,051,088.72x = 1,578,847,376,061,143,040
  5. Step 5: Solve for x
    x = 1,578,847,376,061,143,040/1,220,051,088.72
  6. Step 6: Final answer
    x = 1,294,083,002.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.