Home / 993,494,267.70-1,490,241,401.55-986,691,822.90

Finding the Fourth Proportional to 993,494,267.70, 1,490,241,401.55 and 986,691,822.90

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Solution

The fourth proportional to 993,494,267.70, 1,490,241,401.55 and 986,691,822.90 is: 1,480,037,734.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,494,267.70 : 1,490,241,401.55 = 986,691,822.90 : x
  2. Step 2: Convert to fraction form
    993,494,267.70/1,490,241,401.55 = 986,691,822.90/x
  3. Step 3: Cross multiply
    993,494,267.70x = 1,490,241,401.55 × 986,691,822.90
  4. Step 4: Simplify right side
    993,494,267.70x = 1,470,409,005,056,420,352
  5. Step 5: Solve for x
    x = 1,470,409,005,056,420,352/993,494,267.70
  6. Step 6: Final answer
    x = 1,480,037,734.35

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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.