Home / 347,680,032.40-521,520,048.60-342,578,198.80

Finding the Fourth Proportional to 347,680,032.40, 521,520,048.60 and 342,578,198.80

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Solution

The fourth proportional to 347,680,032.40, 521,520,048.60 and 342,578,198.80 is: 513,867,298.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,680,032.40 : 521,520,048.60 = 342,578,198.80 : x
  2. Step 2: Convert to fraction form
    347,680,032.40/521,520,048.60 = 342,578,198.80/x
  3. Step 3: Cross multiply
    347,680,032.40x = 521,520,048.60 × 342,578,198.80
  4. Step 4: Simplify right side
    347,680,032.40x = 178,661,398,887,476,480
  5. Step 5: Solve for x
    x = 178,661,398,887,476,480/347,680,032.40
  6. Step 6: Final answer
    x = 513,867,298.20

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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.