Home / 20,155,405,614.20-30,233,108,421.30-7,064,478,510.20

Finding the Fourth Proportional to 20,155,405,614.20, 30,233,108,421.30 and 7,064,478,510.20

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Solution

The fourth proportional to 20,155,405,614.20, 30,233,108,421.30 and 7,064,478,510.20 is: 10,596,717,765.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155,405,614.20 : 30,233,108,421.30 = 7,064,478,510.20 : x
  2. Step 2: Convert to fraction form
    20,155,405,614.20/30,233,108,421.30 = 7,064,478,510.20/x
  3. Step 3: Cross multiply
    20,155,405,614.20x = 30,233,108,421.30 × 7,064,478,510.20
  4. Step 4: Simplify right side
    20,155,405,614.20x = 213,581,144,738,820,489,216
  5. Step 5: Solve for x
    x = 213,581,144,738,820,489,216/20,155,405,614.20
  6. Step 6: Final answer
    x = 10,596,717,765.30

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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.