Home / 559,177,709.20-838,766,563.80-317,313,005.20

Finding the Fourth Proportional to 559,177,709.20, 838,766,563.80 and 317,313,005.20

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Solution

The fourth proportional to 559,177,709.20, 838,766,563.80 and 317,313,005.20 is: 475,969,507.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,177,709.20 : 838,766,563.80 = 317,313,005.20 : x
  2. Step 2: Convert to fraction form
    559,177,709.20/838,766,563.80 = 317,313,005.20/x
  3. Step 3: Cross multiply
    559,177,709.20x = 838,766,563.80 × 317,313,005.20
  4. Step 4: Simplify right side
    559,177,709.20x = 266,151,539,020,655,520
  5. Step 5: Solve for x
    x = 266,151,539,020,655,520/559,177,709.20
  6. Step 6: Final answer
    x = 475,969,507.80

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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.