Home / 1,916,480,004.80-2,874,720,007.20-768,446,571.20

Finding the Fourth Proportional to 1,916,480,004.80, 2,874,720,007.20 and 768,446,571.20

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Solution

The fourth proportional to 1,916,480,004.80, 2,874,720,007.20 and 768,446,571.20 is: 1,152,669,856.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,480,004.80 : 2,874,720,007.20 = 768,446,571.20 : x
  2. Step 2: Convert to fraction form
    1,916,480,004.80/2,874,720,007.20 = 768,446,571.20/x
  3. Step 3: Cross multiply
    1,916,480,004.80x = 2,874,720,007.20 × 768,446,571.20
  4. Step 4: Simplify right side
    1,916,480,004.80x = 2,209,068,732,692,879,360
  5. Step 5: Solve for x
    x = 2,209,068,732,692,879,360/1,916,480,004.80
  6. Step 6: Final answer
    x = 1,152,669,856.80

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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.