Home / 315,576,555.20-473,364,832.80-258,180,927.20

Finding the Fourth Proportional to 315,576,555.20, 473,364,832.80 and 258,180,927.20

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Solution

The fourth proportional to 315,576,555.20, 473,364,832.80 and 258,180,927.20 is: 387,271,390.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,576,555.20 : 473,364,832.80 = 258,180,927.20 : x
  2. Step 2: Convert to fraction form
    315,576,555.20/473,364,832.80 = 258,180,927.20/x
  3. Step 3: Cross multiply
    315,576,555.20x = 473,364,832.80 × 258,180,927.20
  4. Step 4: Simplify right side
    315,576,555.20x = 122,213,771,436,176,976
  5. Step 5: Solve for x
    x = 122,213,771,436,176,976/315,576,555.20
  6. Step 6: Final answer
    x = 387,271,390.80

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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.