Home / 2,178,252,102.20-3,267,378,153.30-542,476,704.20

Finding the Fourth Proportional to 2,178,252,102.20, 3,267,378,153.30 and 542,476,704.20

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Solution

The fourth proportional to 2,178,252,102.20, 3,267,378,153.30 and 542,476,704.20 is: 813,715,056.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,252,102.20 : 3,267,378,153.30 = 542,476,704.20 : x
  2. Step 2: Convert to fraction form
    2,178,252,102.20/3,267,378,153.30 = 542,476,704.20/x
  3. Step 3: Cross multiply
    2,178,252,102.20x = 3,267,378,153.30 × 542,476,704.20
  4. Step 4: Simplify right side
    2,178,252,102.20x = 1,772,476,531,977,266,688
  5. Step 5: Solve for x
    x = 1,772,476,531,977,266,688/2,178,252,102.20
  6. Step 6: Final answer
    x = 813,715,056.30

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Half scale
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Double scale
Find fourth proportional to 2,178,252,103.20, 3,267,378,154.80 and 542,476,705.20
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.