Home / 1,521,310,749-2,282,293,353.36-472,027,930.56

Finding the Fourth Proportional to 1,521,310,749, 2,282,293,353.36 and 472,027,930.56

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Solution

The fourth proportional to 1,521,310,749, 2,282,293,353.36 and 472,027,930.56 is: 708,143,427.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,310,749 : 2,282,293,353.36 = 472,027,930.56 : x
  2. Step 2: Convert to fraction form
    1,521,310,749/2,282,293,353.36 = 472,027,930.56/x
  3. Step 3: Cross multiply
    1,521,310,749x = 2,282,293,353.36 × 472,027,930.56
  4. Step 4: Simplify right side
    1,521,310,749x = 1,077,306,208,517,363,712
  5. Step 5: Solve for x
    x = 1,077,306,208,517,363,712/1,521,310,749
  6. Step 6: Final answer
    x = 708,143,427.78

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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.