Home / 1,214,585,037.87-1,822,723,302.75-427,702,072.05

Finding the Fourth Proportional to 1,214,585,037.87, 1,822,723,302.75 and 427,702,072.05

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Solution

The fourth proportional to 1,214,585,037.87, 1,822,723,302.75 and 427,702,072.05 is: 641,850,927.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,585,037.87 : 1,822,723,302.75 = 427,702,072.05 : x
  2. Step 2: Convert to fraction form
    1,214,585,037.87/1,822,723,302.75 = 427,702,072.05/x
  3. Step 3: Cross multiply
    1,214,585,037.87x = 1,822,723,302.75 × 427,702,072.05
  4. Step 4: Simplify right side
    1,214,585,037.87x = 779,582,533,359,994,496
  5. Step 5: Solve for x
    x = 779,582,533,359,994,496/1,214,585,037.87
  6. Step 6: Final answer
    x = 641,850,927.73

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Double scale
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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.