Home / 1,641,191,750.20-2,461,787,625.30-492,334,406.20

Finding the Fourth Proportional to 1,641,191,750.20, 2,461,787,625.30 and 492,334,406.20

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Solution

The fourth proportional to 1,641,191,750.20, 2,461,787,625.30 and 492,334,406.20 is: 738,501,609.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,191,750.20 : 2,461,787,625.30 = 492,334,406.20 : x
  2. Step 2: Convert to fraction form
    1,641,191,750.20/2,461,787,625.30 = 492,334,406.20/x
  3. Step 3: Cross multiply
    1,641,191,750.20x = 2,461,787,625.30 × 492,334,406.20
  4. Step 4: Simplify right side
    1,641,191,750.20x = 1,212,022,748,692,583,680
  5. Step 5: Solve for x
    x = 1,212,022,748,692,583,680/1,641,191,750.20
  6. Step 6: Final answer
    x = 738,501,609.30

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Half scale
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Double scale
Find fourth proportional to 1,641,191,751.20, 2,461,787,626.80 and 492,334,407.20
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.