Home / 1,638,145,800.90-2,457,218,701.35-1,057,670,511.30

Finding the Fourth Proportional to 1,638,145,800.90, 2,457,218,701.35 and 1,057,670,511.30

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Solution

The fourth proportional to 1,638,145,800.90, 2,457,218,701.35 and 1,057,670,511.30 is: 1,586,505,766.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,145,800.90 : 2,457,218,701.35 = 1,057,670,511.30 : x
  2. Step 2: Convert to fraction form
    1,638,145,800.90/2,457,218,701.35 = 1,057,670,511.30/x
  3. Step 3: Cross multiply
    1,638,145,800.90x = 2,457,218,701.35 × 1,057,670,511.30
  4. Step 4: Simplify right side
    1,638,145,800.90x = 2,598,927,760,232,776,192
  5. Step 5: Solve for x
    x = 2,598,927,760,232,776,192/1,638,145,800.90
  6. Step 6: Final answer
    x = 1,586,505,766.95

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Double scale
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Similar ratio
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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.