Home / 517,939,708.80-776,909,563.20-134,987,260.80

Finding the Fourth Proportional to 517,939,708.80, 776,909,563.20 and 134,987,260.80

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Solution

The fourth proportional to 517,939,708.80, 776,909,563.20 and 134,987,260.80 is: 202,480,891.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,939,708.80 : 776,909,563.20 = 134,987,260.80 : x
  2. Step 2: Convert to fraction form
    517,939,708.80/776,909,563.20 = 134,987,260.80/x
  3. Step 3: Cross multiply
    517,939,708.80x = 776,909,563.20 × 134,987,260.80
  4. Step 4: Simplify right side
    517,939,708.80x = 104,872,893,825,692,496
  5. Step 5: Solve for x
    x = 104,872,893,825,692,496/517,939,708.80
  6. Step 6: Final answer
    x = 202,480,891.20

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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.