Home / 753,759,085.20-1,129,798,819.80-293,544,301.20

Finding the Fourth Proportional to 753,759,085.20, 1,129,798,819.80 and 293,544,301.20

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Solution

The fourth proportional to 753,759,085.20, 1,129,798,819.80 and 293,544,301.20 is: 439,989,396.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,759,085.20 : 1,129,798,819.80 = 293,544,301.20 : x
  2. Step 2: Convert to fraction form
    753,759,085.20/1,129,798,819.80 = 293,544,301.20/x
  3. Step 3: Cross multiply
    753,759,085.20x = 1,129,798,819.80 × 293,544,301.20
  4. Step 4: Simplify right side
    753,759,085.20x = 331,646,005,054,775,680
  5. Step 5: Solve for x
    x = 331,646,005,054,775,680/753,759,085.20
  6. Step 6: Final answer
    x = 439,989,396.57

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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.