Home / 1,043,892,918.66-1,439,234,946.36-855,025,435.74

Finding the Fourth Proportional to 1,043,892,918.66, 1,439,234,946.36 and 855,025,435.74

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Solution

The fourth proportional to 1,043,892,918.66, 1,439,234,946.36 and 855,025,435.74 is: 1,178,839,769.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,892,918.66 : 1,439,234,946.36 = 855,025,435.74 : x
  2. Step 2: Convert to fraction form
    1,043,892,918.66/1,439,234,946.36 = 855,025,435.74/x
  3. Step 3: Cross multiply
    1,043,892,918.66x = 1,439,234,946.36 × 855,025,435.74
  4. Step 4: Simplify right side
    1,043,892,918.66x = 1,230,582,487,143,694,336
  5. Step 5: Solve for x
    x = 1,230,582,487,143,694,336/1,043,892,918.66
  6. Step 6: Final answer
    x = 1,178,839,769.05

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.