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Finding the Fourth Proportional to 968,954,748.80, 1,453,432,123.20 and 968,954,748.80

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Solution

The fourth proportional to 968,954,748.80, 1,453,432,123.20 and 968,954,748.80 is: 1,453,432,123.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,954,748.80 : 1,453,432,123.20 = 968,954,748.80 : x
  2. Step 2: Convert to fraction form
    968,954,748.80/1,453,432,123.20 = 968,954,748.80/x
  3. Step 3: Cross multiply
    968,954,748.80x = 1,453,432,123.20 × 968,954,748.80
  4. Step 4: Simplify right side
    968,954,748.80x = 1,408,309,957,833,106,688
  5. Step 5: Solve for x
    x = 1,408,309,957,833,106,688/968,954,748.80
  6. Step 6: Final answer
    x = 1,453,432,123.20

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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.