Home / 1,683,315,000.60-2,524,972,500.90-518,679,763.80

Finding the Fourth Proportional to 1,683,315,000.60, 2,524,972,500.90 and 518,679,763.80

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Solution

The fourth proportional to 1,683,315,000.60, 2,524,972,500.90 and 518,679,763.80 is: 778,019,645.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,315,000.60 : 2,524,972,500.90 = 518,679,763.80 : x
  2. Step 2: Convert to fraction form
    1,683,315,000.60/2,524,972,500.90 = 518,679,763.80/x
  3. Step 3: Cross multiply
    1,683,315,000.60x = 2,524,972,500.90 × 518,679,763.80
  4. Step 4: Simplify right side
    1,683,315,000.60x = 1,309,652,140,368,307,456
  5. Step 5: Solve for x
    x = 1,309,652,140,368,307,456/1,683,315,000.60
  6. Step 6: Final answer
    x = 778,019,645.70

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Half scale
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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.