Home / 519,003,200.70-778,504,801.05-155,497,556.70

Finding the Fourth Proportional to 519,003,200.70, 778,504,801.05 and 155,497,556.70

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Solution

The fourth proportional to 519,003,200.70, 778,504,801.05 and 155,497,556.70 is: 233,246,335.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,003,200.70 : 778,504,801.05 = 155,497,556.70 : x
  2. Step 2: Convert to fraction form
    519,003,200.70/778,504,801.05 = 155,497,556.70/x
  3. Step 3: Cross multiply
    519,003,200.70x = 778,504,801.05 × 155,497,556.70
  4. Step 4: Simplify right side
    519,003,200.70x = 121,055,594,442,494,576
  5. Step 5: Solve for x
    x = 121,055,594,442,494,576/519,003,200.70
  6. Step 6: Final answer
    x = 233,246,335.05

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Double scale
Find fourth proportional to 519,003,201.70, 778,504,802.55 and 155,497,557.70
Similar ratio
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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.