Home / 30,233,149,129.20-45,349,723,693.80-15,356,202,351.60

Finding the Fourth Proportional to 30,233,149,129.20, 45,349,723,693.80 and 15,356,202,351.60

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Solution

The fourth proportional to 30,233,149,129.20, 45,349,723,693.80 and 15,356,202,351.60 is: 23,034,303,527.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,233,149,129.20 : 45,349,723,693.80 = 15,356,202,351.60 : x
  2. Step 2: Convert to fraction form
    30,233,149,129.20/45,349,723,693.80 = 15,356,202,351.60/x
  3. Step 3: Cross multiply
    30,233,149,129.20x = 45,349,723,693.80 × 15,356,202,351.60
  4. Step 4: Simplify right side
    30,233,149,129.20x = 696,399,533,631,141,838,848
  5. Step 5: Solve for x
    x = 696,399,533,631,141,838,848/30,233,149,129.20
  6. Step 6: Final answer
    x = 23,034,303,527.40

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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.