Home / 753,232,230.66-1,129,827,460.16-200,539,400.79

Finding the Fourth Proportional to 753,232,230.66, 1,129,827,460.16 and 200,539,400.79

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Solution

The fourth proportional to 753,232,230.66, 1,129,827,460.16 and 200,539,400.79 is: 300,803,540.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,232,230.66 : 1,129,827,460.16 = 200,539,400.79 : x
  2. Step 2: Convert to fraction form
    753,232,230.66/1,129,827,460.16 = 200,539,400.79/x
  3. Step 3: Cross multiply
    753,232,230.66x = 1,129,827,460.16 × 200,539,400.79
  4. Step 4: Simplify right side
    753,232,230.66x = 226,574,921,855,571,296
  5. Step 5: Solve for x
    x = 226,574,921,855,571,296/753,232,230.66
  6. Step 6: Final answer
    x = 300,803,540.57

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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.