Home / 20,155,562,293.20-30,233,343,439.80-18,317,390,542.80

Finding the Fourth Proportional to 20,155,562,293.20, 30,233,343,439.80 and 18,317,390,542.80

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Solution

The fourth proportional to 20,155,562,293.20, 30,233,343,439.80 and 18,317,390,542.80 is: 27,476,085,814.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155,562,293.20 : 30,233,343,439.80 = 18,317,390,542.80 : x
  2. Step 2: Convert to fraction form
    20,155,562,293.20/30,233,343,439.80 = 18,317,390,542.80/x
  3. Step 3: Cross multiply
    20,155,562,293.20x = 30,233,343,439.80 × 18,317,390,542.80
  4. Step 4: Simplify right side
    20,155,562,293.20x = 553,795,959,201,416,871,936
  5. Step 5: Solve for x
    x = 553,795,959,201,416,871,936/20,155,562,293.20
  6. Step 6: Final answer
    x = 27,476,085,814.20

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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.