Home / 1,638,144,800.40-2,457,217,200.60-1,057,669,510.80

Finding the Fourth Proportional to 1,638,144,800.40, 2,457,217,200.60 and 1,057,669,510.80

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Solution

The fourth proportional to 1,638,144,800.40, 2,457,217,200.60 and 1,057,669,510.80 is: 1,586,504,266.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,144,800.40 : 2,457,217,200.60 = 1,057,669,510.80 : x
  2. Step 2: Convert to fraction form
    1,638,144,800.40/2,457,217,200.60 = 1,057,669,510.80/x
  3. Step 3: Cross multiply
    1,638,144,800.40x = 2,457,217,200.60 × 1,057,669,510.80
  4. Step 4: Simplify right side
    1,638,144,800.40x = 2,598,923,714,487,947,264
  5. Step 5: Solve for x
    x = 2,598,923,714,487,947,264/1,638,144,800.40
  6. Step 6: Final answer
    x = 1,586,504,266.20

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Double scale
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Similar ratio
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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.