Home / 20,155,444,812.80-30,233,167,219.20-7,070,564,326.40

Finding the Fourth Proportional to 20,155,444,812.80, 30,233,167,219.20 and 7,070,564,326.40

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Solution

The fourth proportional to 20,155,444,812.80, 30,233,167,219.20 and 7,070,564,326.40 is: 10,605,846,489.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155,444,812.80 : 30,233,167,219.20 = 7,070,564,326.40 : x
  2. Step 2: Convert to fraction form
    20,155,444,812.80/30,233,167,219.20 = 7,070,564,326.40/x
  3. Step 3: Cross multiply
    20,155,444,812.80x = 30,233,167,219.20 × 7,070,564,326.40
  4. Step 4: Simplify right side
    20,155,444,812.80x = 213,765,553,614,161,412,096
  5. Step 5: Solve for x
    x = 213,765,553,614,161,412,096/20,155,444,812.80
  6. Step 6: Final answer
    x = 10,605,846,489.60

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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.