Home / 1,980,231,669.30-2,970,347,503.95-599,866,815.90

Finding the Fourth Proportional to 1,980,231,669.30, 2,970,347,503.95 and 599,866,815.90

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Solution

The fourth proportional to 1,980,231,669.30, 2,970,347,503.95 and 599,866,815.90 is: 899,800,223.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,231,669.30 : 2,970,347,503.95 = 599,866,815.90 : x
  2. Step 2: Convert to fraction form
    1,980,231,669.30/2,970,347,503.95 = 599,866,815.90/x
  3. Step 3: Cross multiply
    1,980,231,669.30x = 2,970,347,503.95 × 599,866,815.90
  4. Step 4: Simplify right side
    1,980,231,669.30x = 1,781,812,899,310,999,040
  5. Step 5: Solve for x
    x = 1,781,812,899,310,999,040/1,980,231,669.30
  6. Step 6: Final answer
    x = 899,800,223.85

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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.