Home / 979,938,086.20-1,469,907,129.30-633,013,401.40

Finding the Fourth Proportional to 979,938,086.20, 1,469,907,129.30 and 633,013,401.40

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Solution

The fourth proportional to 979,938,086.20, 1,469,907,129.30 and 633,013,401.40 is: 949,520,102.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,938,086.20 : 1,469,907,129.30 = 633,013,401.40 : x
  2. Step 2: Convert to fraction form
    979,938,086.20/1,469,907,129.30 = 633,013,401.40/x
  3. Step 3: Cross multiply
    979,938,086.20x = 1,469,907,129.30 × 633,013,401.40
  4. Step 4: Simplify right side
    979,938,086.20x = 930,470,911,660,302,592
  5. Step 5: Solve for x
    x = 930,470,911,660,302,592/979,938,086.20
  6. Step 6: Final answer
    x = 949,520,102.10

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Double scale
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Similar ratio
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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.