Home / 1,197,792,130.80-1,796,688,196.20-1,181,667,817.20

Finding the Fourth Proportional to 1,197,792,130.80, 1,796,688,196.20 and 1,181,667,817.20

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Solution

The fourth proportional to 1,197,792,130.80, 1,796,688,196.20 and 1,181,667,817.20 is: 1,772,501,725.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,792,130.80 : 1,796,688,196.20 = 1,181,667,817.20 : x
  2. Step 2: Convert to fraction form
    1,197,792,130.80/1,796,688,196.20 = 1,181,667,817.20/x
  3. Step 3: Cross multiply
    1,197,792,130.80x = 1,796,688,196.20 × 1,181,667,817.20
  4. Step 4: Simplify right side
    1,197,792,130.80x = 2,123,088,618,992,659,456
  5. Step 5: Solve for x
    x = 2,123,088,618,992,659,456/1,197,792,130.80
  6. Step 6: Final answer
    x = 1,772,501,725.80

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Double scale
Find fourth proportional to 1,197,792,131.80, 1,796,688,197.70 and 1,181,667,818.20
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.