Home / 517,387,200.80-776,080,801.20-333,721,191.20

Finding the Fourth Proportional to 517,387,200.80, 776,080,801.20 and 333,721,191.20

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Solution

The fourth proportional to 517,387,200.80, 776,080,801.20 and 333,721,191.20 is: 500,581,786.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,387,200.80 : 776,080,801.20 = 333,721,191.20 : x
  2. Step 2: Convert to fraction form
    517,387,200.80/776,080,801.20 = 333,721,191.20/x
  3. Step 3: Cross multiply
    517,387,200.80x = 776,080,801.20 × 333,721,191.20
  4. Step 4: Simplify right side
    517,387,200.80x = 258,994,609,443,914,400
  5. Step 5: Solve for x
    x = 258,994,609,443,914,400/517,387,200.80
  6. Step 6: Final answer
    x = 500,581,786.80

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1.5x scale

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.