Home / 1,197,792,080.20-1,796,688,120.30-290,052,944.20

Finding the Fourth Proportional to 1,197,792,080.20, 1,796,688,120.30 and 290,052,944.20

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Solution

The fourth proportional to 1,197,792,080.20, 1,796,688,120.30 and 290,052,944.20 is: 435,079,416.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,792,080.20 : 1,796,688,120.30 = 290,052,944.20 : x
  2. Step 2: Convert to fraction form
    1,197,792,080.20/1,796,688,120.30 = 290,052,944.20/x
  3. Step 3: Cross multiply
    1,197,792,080.20x = 1,796,688,120.30 × 290,052,944.20
  4. Step 4: Simplify right side
    1,197,792,080.20x = 521,134,679,102,178,752
  5. Step 5: Solve for x
    x = 521,134,679,102,178,752/1,197,792,080.20
  6. Step 6: Final answer
    x = 435,079,416.30

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Half scale
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Double scale
Find fourth proportional to 1,197,792,081.20, 1,796,688,121.80 and 290,052,945.20
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.