Home / 307,423,825.20-461,135,737.80-277,769,417.40

Finding the Fourth Proportional to 307,423,825.20, 461,135,737.80 and 277,769,417.40

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Solution

The fourth proportional to 307,423,825.20, 461,135,737.80 and 277,769,417.40 is: 416,654,126.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,423,825.20 : 461,135,737.80 = 277,769,417.40 : x
  2. Step 2: Convert to fraction form
    307,423,825.20/461,135,737.80 = 277,769,417.40/x
  3. Step 3: Cross multiply
    307,423,825.20x = 461,135,737.80 × 277,769,417.40
  4. Step 4: Simplify right side
    307,423,825.20x = 128,089,405,231,025,152
  5. Step 5: Solve for x
    x = 128,089,405,231,025,152/307,423,825.20
  6. Step 6: Final answer
    x = 416,654,126.10

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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.