Home / 276,838,019.70-415,257,029.55-272,533,347.60

Finding the Fourth Proportional to 276,838,019.70, 415,257,029.55 and 272,533,347.60

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Solution

The fourth proportional to 276,838,019.70, 415,257,029.55 and 272,533,347.60 is: 408,800,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,838,019.70 : 415,257,029.55 = 272,533,347.60 : x
  2. Step 2: Convert to fraction form
    276,838,019.70/415,257,029.55 = 272,533,347.60/x
  3. Step 3: Cross multiply
    276,838,019.70x = 415,257,029.55 × 272,533,347.60
  4. Step 4: Simplify right side
    276,838,019.70x = 113,171,388,377,693,632
  5. Step 5: Solve for x
    x = 113,171,388,377,693,632/276,838,019.70
  6. Step 6: Final answer
    x = 408,800,021.40

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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.