Home / 1,641,191,751.20-2,461,787,626.80-492,334,407.20

Finding the Fourth Proportional to 1,641,191,751.20, 2,461,787,626.80 and 492,334,407.20

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Solution

The fourth proportional to 1,641,191,751.20, 2,461,787,626.80 and 492,334,407.20 is: 738,501,610.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,191,751.20 : 2,461,787,626.80 = 492,334,407.20 : x
  2. Step 2: Convert to fraction form
    1,641,191,751.20/2,461,787,626.80 = 492,334,407.20/x
  3. Step 3: Cross multiply
    1,641,191,751.20x = 2,461,787,626.80 × 492,334,407.20
  4. Step 4: Simplify right side
    1,641,191,751.20x = 1,212,022,751,892,872,960
  5. Step 5: Solve for x
    x = 1,212,022,751,892,872,960/1,641,191,751.20
  6. Step 6: Final answer
    x = 738,501,610.80

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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.