Home / 1,560,144,064-2,340,183,309.04-379,731,128.96

Finding the Fourth Proportional to 1,560,144,064, 2,340,183,309.04 and 379,731,128.96

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Solution

The fourth proportional to 1,560,144,064, 2,340,183,309.04 and 379,731,128.96 is: 569,588,713.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,144,064 : 2,340,183,309.04 = 379,731,128.96 : x
  2. Step 2: Convert to fraction form
    1,560,144,064/2,340,183,309.04 = 379,731,128.96/x
  3. Step 3: Cross multiply
    1,560,144,064x = 2,340,183,309.04 × 379,731,128.96
  4. Step 4: Simplify right side
    1,560,144,064x = 888,640,449,915,107,712
  5. Step 5: Solve for x
    x = 888,640,449,915,107,712/1,560,144,064
  6. Step 6: Final answer
    x = 569,588,713.26

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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.