Home / 521,927,021.64-783,195,815.76-194,628,649.80

Finding the Fourth Proportional to 521,927,021.64, 783,195,815.76 and 194,628,649.80

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Solution

The fourth proportional to 521,927,021.64, 783,195,815.76 and 194,628,649.80 is: 292,056,816.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,927,021.64 : 783,195,815.76 = 194,628,649.80 : x
  2. Step 2: Convert to fraction form
    521,927,021.64/783,195,815.76 = 194,628,649.80/x
  3. Step 3: Cross multiply
    521,927,021.64x = 783,195,815.76 × 194,628,649.80
  4. Step 4: Simplify right side
    521,927,021.64x = 152,432,344,150,378,368
  5. Step 5: Solve for x
    x = 152,432,344,150,378,368/521,927,021.64
  6. Step 6: Final answer
    x = 292,056,816.05

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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.