Home / 293,039,696.20-440,063,429.10-207,379,280.20

Finding the Fourth Proportional to 293,039,696.20, 440,063,429.10 and 207,379,280.20

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Solution

The fourth proportional to 293,039,696.20, 440,063,429.10 and 207,379,280.20 is: 311,425,511.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,039,696.20 : 440,063,429.10 = 207,379,280.20 : x
  2. Step 2: Convert to fraction form
    293,039,696.20/440,063,429.10 = 207,379,280.20/x
  3. Step 3: Cross multiply
    293,039,696.20x = 440,063,429.10 × 207,379,280.20
  4. Step 4: Simplify right side
    293,039,696.20x = 91,260,037,169,101,728
  5. Step 5: Solve for x
    x = 91,260,037,169,101,728/293,039,696.20
  6. Step 6: Final answer
    x = 311,425,511.13

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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.