Home / 340,608,004.80-510,912,007.20-272,583,556.80

Finding the Fourth Proportional to 340,608,004.80, 510,912,007.20 and 272,583,556.80

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Solution

The fourth proportional to 340,608,004.80, 510,912,007.20 and 272,583,556.80 is: 408,875,335.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,608,004.80 : 510,912,007.20 = 272,583,556.80 : x
  2. Step 2: Convert to fraction form
    340,608,004.80/510,912,007.20 = 272,583,556.80/x
  3. Step 3: Cross multiply
    340,608,004.80x = 510,912,007.20 × 272,583,556.80
  4. Step 4: Simplify right side
    340,608,004.80x = 139,266,212,134,403,216
  5. Step 5: Solve for x
    x = 139,266,212,134,403,216/340,608,004.80
  6. Step 6: Final answer
    x = 408,875,335.20

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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.