Home / 347,736,998.40-521,605,497.60-342,635,164.80

Finding the Fourth Proportional to 347,736,998.40, 521,605,497.60 and 342,635,164.80

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Solution

The fourth proportional to 347,736,998.40, 521,605,497.60 and 342,635,164.80 is: 513,952,747.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,736,998.40 : 521,605,497.60 = 342,635,164.80 : x
  2. Step 2: Convert to fraction form
    347,736,998.40/521,605,497.60 = 342,635,164.80/x
  3. Step 3: Cross multiply
    347,736,998.40x = 521,605,497.60 × 342,635,164.80
  4. Step 4: Simplify right side
    347,736,998.40x = 178,720,385,630,762,016
  5. Step 5: Solve for x
    x = 178,720,385,630,762,016/347,736,998.40
  6. Step 6: Final answer
    x = 513,952,747.20

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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.