Home / 809,411,421.04-1,214,035,422.42-548,769,504.12

Finding the Fourth Proportional to 809,411,421.04, 1,214,035,422.42 and 548,769,504.12

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Solution

The fourth proportional to 809,411,421.04, 1,214,035,422.42 and 548,769,504.12 is: 823,098,858.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,411,421.04 : 1,214,035,422.42 = 548,769,504.12 : x
  2. Step 2: Convert to fraction form
    809,411,421.04/1,214,035,422.42 = 548,769,504.12/x
  3. Step 3: Cross multiply
    809,411,421.04x = 1,214,035,422.42 × 548,769,504.12
  4. Step 4: Simplify right side
    809,411,421.04x = 666,225,616,745,538,176
  5. Step 5: Solve for x
    x = 666,225,616,745,538,176/809,411,421.04
  6. Step 6: Final answer
    x = 823,098,858.54

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Double scale
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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.