Home / 874,161,858.60-1,311,309,143.10-260,698,204.20

Finding the Fourth Proportional to 874,161,858.60, 1,311,309,143.10 and 260,698,204.20

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Solution

The fourth proportional to 874,161,858.60, 1,311,309,143.10 and 260,698,204.20 is: 391,067,095.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,161,858.60 : 1,311,309,143.10 = 260,698,204.20 : x
  2. Step 2: Convert to fraction form
    874,161,858.60/1,311,309,143.10 = 260,698,204.20/x
  3. Step 3: Cross multiply
    874,161,858.60x = 1,311,309,143.10 × 260,698,204.20
  4. Step 4: Simplify right side
    874,161,858.60x = 341,855,938,757,210,752
  5. Step 5: Solve for x
    x = 341,855,938,757,210,752/874,161,858.60
  6. Step 6: Final answer
    x = 391,067,095.18

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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.