Home / 523,346,560.56-722,223,030.24-288,405,650.88

Finding the Fourth Proportional to 523,346,560.56, 722,223,030.24 and 288,405,650.88

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Solution

The fourth proportional to 523,346,560.56, 722,223,030.24 and 288,405,650.88 is: 398,002,430.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,346,560.56 : 722,223,030.24 = 288,405,650.88 : x
  2. Step 2: Convert to fraction form
    523,346,560.56/722,223,030.24 = 288,405,650.88/x
  3. Step 3: Cross multiply
    523,346,560.56x = 722,223,030.24 × 288,405,650.88
  4. Step 4: Simplify right side
    523,346,560.56x = 208,293,203,116,893,120
  5. Step 5: Solve for x
    x = 208,293,203,116,893,120/523,346,560.56
  6. Step 6: Final answer
    x = 398,002,430.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.