Home / 325,050,408,072.80-487,575,612,109.20-212,078,593,480.40

Finding the Fourth Proportional to 325,050,408,072.80, 487,575,612,109.20 and 212,078,593,480.40

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Solution

The fourth proportional to 325,050,408,072.80, 487,575,612,109.20 and 212,078,593,480.40 is: 318,117,890,220.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,050,408,072.80 : 487,575,612,109.20 = 212,078,593,480.40 : x
  2. Step 2: Convert to fraction form
    325,050,408,072.80/487,575,612,109.20 = 212,078,593,480.40/x
  3. Step 3: Cross multiply
    325,050,408,072.80x = 487,575,612,109.20 × 212,078,593,480.40
  4. Step 4: Simplify right side
    325,050,408,072.80x = 103,404,350,031,464,216,133,632
  5. Step 5: Solve for x
    x = 103,404,350,031,464,216,133,632/325,050,408,072.80
  6. Step 6: Final answer
    x = 318,117,890,220.60

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Double scale
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1.5x scale

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.