Home / 579,962,080.80-869,943,121.20-197,009,632.80

Finding the Fourth Proportional to 579,962,080.80, 869,943,121.20 and 197,009,632.80

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Solution

The fourth proportional to 579,962,080.80, 869,943,121.20 and 197,009,632.80 is: 295,514,449.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,962,080.80 : 869,943,121.20 = 197,009,632.80 : x
  2. Step 2: Convert to fraction form
    579,962,080.80/869,943,121.20 = 197,009,632.80/x
  3. Step 3: Cross multiply
    579,962,080.80x = 869,943,121.20 × 197,009,632.80
  4. Step 4: Simplify right side
    579,962,080.80x = 171,387,174,864,497,920
  5. Step 5: Solve for x
    x = 171,387,174,864,497,920/579,962,080.80
  6. Step 6: Final answer
    x = 295,514,449.20

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Double scale
Find fourth proportional to 579,962,081.80, 869,943,122.70 and 197,009,633.80
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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.