Home / 379,014,429.63-523,030,276.89-211,751,947.23

Finding the Fourth Proportional to 379,014,429.63, 523,030,276.89 and 211,751,947.23

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Solution

The fourth proportional to 379,014,429.63, 523,030,276.89 and 211,751,947.23 is: 292,212,303.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,014,429.63 : 523,030,276.89 = 211,751,947.23 : x
  2. Step 2: Convert to fraction form
    379,014,429.63/523,030,276.89 = 211,751,947.23/x
  3. Step 3: Cross multiply
    379,014,429.63x = 523,030,276.89 × 211,751,947.23
  4. Step 4: Simplify right side
    379,014,429.63x = 110,752,679,591,703,552
  5. Step 5: Solve for x
    x = 110,752,679,591,703,552/379,014,429.63
  6. Step 6: Final answer
    x = 292,212,303.63

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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.