Home / 474,348,353.80-711,645,205.50-277,777,775.74

Finding the Fourth Proportional to 474,348,353.80, 711,645,205.50 and 277,777,775.74

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Solution

The fourth proportional to 474,348,353.80, 711,645,205.50 and 277,777,775.74 is: 416,738,501.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,348,353.80 : 711,645,205.50 = 277,777,775.74 : x
  2. Step 2: Convert to fraction form
    474,348,353.80/711,645,205.50 = 277,777,775.74/x
  3. Step 3: Cross multiply
    474,348,353.80x = 711,645,205.50 × 277,777,775.74
  4. Step 4: Simplify right side
    474,348,353.80x = 197,679,222,299,825,216
  5. Step 5: Solve for x
    x = 197,679,222,299,825,216/474,348,353.80
  6. Step 6: Final answer
    x = 416,738,501.81

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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.