Home / 743,698,517.48-1,115,683,953.46-306,760,839.56

Finding the Fourth Proportional to 743,698,517.48, 1,115,683,953.46 and 306,760,839.56

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Solution

The fourth proportional to 743,698,517.48, 1,115,683,953.46 and 306,760,839.56 is: 460,197,429.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,698,517.48 : 1,115,683,953.46 = 306,760,839.56 : x
  2. Step 2: Convert to fraction form
    743,698,517.48/1,115,683,953.46 = 306,760,839.56/x
  3. Step 3: Cross multiply
    743,698,517.48x = 1,115,683,953.46 × 306,760,839.56
  4. Step 4: Simplify right side
    743,698,517.48x = 342,248,146,247,009,600
  5. Step 5: Solve for x
    x = 342,248,146,247,009,600/743,698,517.48
  6. Step 6: Final answer
    x = 460,197,429.74

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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.