Home / 1,641,025,456.20-2,461,538,184.30-492,168,112.20

Finding the Fourth Proportional to 1,641,025,456.20, 2,461,538,184.30 and 492,168,112.20

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Solution

The fourth proportional to 1,641,025,456.20, 2,461,538,184.30 and 492,168,112.20 is: 738,252,168.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,025,456.20 : 2,461,538,184.30 = 492,168,112.20 : x
  2. Step 2: Convert to fraction form
    1,641,025,456.20/2,461,538,184.30 = 492,168,112.20/x
  3. Step 3: Cross multiply
    1,641,025,456.20x = 2,461,538,184.30 × 492,168,112.20
  4. Step 4: Simplify right side
    1,641,025,456.20x = 1,211,490,601,275,146,752
  5. Step 5: Solve for x
    x = 1,211,490,601,275,146,752/1,641,025,456.20
  6. Step 6: Final answer
    x = 738,252,168.30

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Double scale
Find fourth proportional to 1,641,025,457.20, 2,461,538,185.80 and 492,168,113.20
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.