Home / 718,786,423.20-1,078,179,634.80-234,112,231.20

Finding the Fourth Proportional to 718,786,423.20, 1,078,179,634.80 and 234,112,231.20

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Solution

The fourth proportional to 718,786,423.20, 1,078,179,634.80 and 234,112,231.20 is: 351,168,346.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,786,423.20 : 1,078,179,634.80 = 234,112,231.20 : x
  2. Step 2: Convert to fraction form
    718,786,423.20/1,078,179,634.80 = 234,112,231.20/x
  3. Step 3: Cross multiply
    718,786,423.20x = 1,078,179,634.80 × 234,112,231.20
  4. Step 4: Simplify right side
    718,786,423.20x = 252,415,039,937,429,152
  5. Step 5: Solve for x
    x = 252,415,039,937,429,152/718,786,423.20
  6. Step 6: Final answer
    x = 351,168,346.80

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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.