Home / 20,155,405,622.70-30,233,108,434.05-7,064,478,518.70

Finding the Fourth Proportional to 20,155,405,622.70, 30,233,108,434.05 and 7,064,478,518.70

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Solution

The fourth proportional to 20,155,405,622.70, 30,233,108,434.05 and 7,064,478,518.70 is: 10,596,717,778.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155,405,622.70 : 30,233,108,434.05 = 7,064,478,518.70 : x
  2. Step 2: Convert to fraction form
    20,155,405,622.70/30,233,108,434.05 = 7,064,478,518.70/x
  3. Step 3: Cross multiply
    20,155,405,622.70x = 30,233,108,434.05 × 7,064,478,518.70
  4. Step 4: Simplify right side
    20,155,405,622.70x = 213,581,145,085,874,012,160
  5. Step 5: Solve for x
    x = 213,581,145,085,874,012,160/20,155,405,622.70
  6. Step 6: Final answer
    x = 10,596,717,778.05

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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.