Home / 447,553,480.20-671,330,220.30-326,621,128.20

Finding the Fourth Proportional to 447,553,480.20, 671,330,220.30 and 326,621,128.20

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Solution

The fourth proportional to 447,553,480.20, 671,330,220.30 and 326,621,128.20 is: 489,931,692.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,553,480.20 : 671,330,220.30 = 326,621,128.20 : x
  2. Step 2: Convert to fraction form
    447,553,480.20/671,330,220.30 = 326,621,128.20/x
  3. Step 3: Cross multiply
    447,553,480.20x = 671,330,220.30 × 326,621,128.20
  4. Step 4: Simplify right side
    447,553,480.20x = 219,270,633,949,140,512
  5. Step 5: Solve for x
    x = 219,270,633,949,140,512/447,553,480.20
  6. Step 6: Final answer
    x = 489,931,692.30

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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.