Home / 4,078,773,007.20-6,118,159,510.80-1,320,381,640.80

Finding the Fourth Proportional to 4,078,773,007.20, 6,118,159,510.80 and 1,320,381,640.80

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Solution

The fourth proportional to 4,078,773,007.20, 6,118,159,510.80 and 1,320,381,640.80 is: 1,980,572,461.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078,773,007.20 : 6,118,159,510.80 = 1,320,381,640.80 : x
  2. Step 2: Convert to fraction form
    4,078,773,007.20/6,118,159,510.80 = 1,320,381,640.80/x
  3. Step 3: Cross multiply
    4,078,773,007.20x = 6,118,159,510.80 × 1,320,381,640.80
  4. Step 4: Simplify right side
    4,078,773,007.20x = 8,078,305,493,546,229,760
  5. Step 5: Solve for x
    x = 8,078,305,493,546,229,760/4,078,773,007.20
  6. Step 6: Final answer
    x = 1,980,572,461.20

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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.