Home / 551,723,312.80-827,584,969.20-453,087,863.20

Finding the Fourth Proportional to 551,723,312.80, 827,584,969.20 and 453,087,863.20

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Solution

The fourth proportional to 551,723,312.80, 827,584,969.20 and 453,087,863.20 is: 679,631,794.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,723,312.80 : 827,584,969.20 = 453,087,863.20 : x
  2. Step 2: Convert to fraction form
    551,723,312.80/827,584,969.20 = 453,087,863.20/x
  3. Step 3: Cross multiply
    551,723,312.80x = 827,584,969.20 × 453,087,863.20
  4. Step 4: Simplify right side
    551,723,312.80x = 374,968,705,311,265,856
  5. Step 5: Solve for x
    x = 374,968,705,311,265,856/551,723,312.80
  6. Step 6: Final answer
    x = 679,631,794.80

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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.