Home / 20,169,399,287.80-30,254,098,931.70-7,083,196,103.80

Finding the Fourth Proportional to 20,169,399,287.80, 30,254,098,931.70 and 7,083,196,103.80

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Solution

The fourth proportional to 20,169,399,287.80, 30,254,098,931.70 and 7,083,196,103.80 is: 10,624,794,155.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,169,399,287.80 : 30,254,098,931.70 = 7,083,196,103.80 : x
  2. Step 2: Convert to fraction form
    20,169,399,287.80/30,254,098,931.70 = 7,083,196,103.80/x
  3. Step 3: Cross multiply
    20,169,399,287.80x = 30,254,098,931.70 × 7,083,196,103.80
  4. Step 4: Simplify right side
    20,169,399,287.80x = 214,295,715,676,997,189,632
  5. Step 5: Solve for x
    x = 214,295,715,676,997,189,632/20,169,399,287.80
  6. Step 6: Final answer
    x = 10,624,794,155.70

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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.