Home / 674,880,136.70-1,012,320,205.05-214,864,807.10

Finding the Fourth Proportional to 674,880,136.70, 1,012,320,205.05 and 214,864,807.10

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Solution

The fourth proportional to 674,880,136.70, 1,012,320,205.05 and 214,864,807.10 is: 322,297,210.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,880,136.70 : 1,012,320,205.05 = 214,864,807.10 : x
  2. Step 2: Convert to fraction form
    674,880,136.70/1,012,320,205.05 = 214,864,807.10/x
  3. Step 3: Cross multiply
    674,880,136.70x = 1,012,320,205.05 × 214,864,807.10
  4. Step 4: Simplify right side
    674,880,136.70x = 217,511,985,581,500,672
  5. Step 5: Solve for x
    x = 217,511,985,581,500,672/674,880,136.70
  6. Step 6: Final answer
    x = 322,297,210.65

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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.