Home / 1,213,542,114.90-1,820,313,172.35-697,564,079.70

Finding the Fourth Proportional to 1,213,542,114.90, 1,820,313,172.35 and 697,564,079.70

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Solution

The fourth proportional to 1,213,542,114.90, 1,820,313,172.35 and 697,564,079.70 is: 1,046,346,119.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,542,114.90 : 1,820,313,172.35 = 697,564,079.70 : x
  2. Step 2: Convert to fraction form
    1,213,542,114.90/1,820,313,172.35 = 697,564,079.70/x
  3. Step 3: Cross multiply
    1,213,542,114.90x = 1,820,313,172.35 × 697,564,079.70
  4. Step 4: Simplify right side
    1,213,542,114.90x = 1,269,785,082,836,115,200
  5. Step 5: Solve for x
    x = 1,269,785,082,836,115,200/1,213,542,114.90
  6. Step 6: Final answer
    x = 1,046,346,119.55

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Double scale
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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.