Home / 1,583,117,433.47-2,183,794,382.42-987,367,624.66

Finding the Fourth Proportional to 1,583,117,433.47, 2,183,794,382.42 and 987,367,624.66

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Solution

The fourth proportional to 1,583,117,433.47, 2,183,794,382.42 and 987,367,624.66 is: 1,362,001,217.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583,117,433.47 : 2,183,794,382.42 = 987,367,624.66 : x
  2. Step 2: Convert to fraction form
    1,583,117,433.47/2,183,794,382.42 = 987,367,624.66/x
  3. Step 3: Cross multiply
    1,583,117,433.47x = 2,183,794,382.42 × 987,367,624.66
  4. Step 4: Simplify right side
    1,583,117,433.47x = 2,156,207,872,122,939,136
  5. Step 5: Solve for x
    x = 2,156,207,872,122,939,136/1,583,117,433.47
  6. Step 6: Final answer
    x = 1,362,001,217.68

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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.