Home / 18,433,360,000.35-25,438,036,828.68-9,975,183,774.53

Finding the Fourth Proportional to 18,433,360,000.35, 25,438,036,828.68 and 9,975,183,774.53

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Solution

The fourth proportional to 18,433,360,000.35, 25,438,036,828.68 and 9,975,183,774.53 is: 13,765,753,624.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,433,360,000.35 : 25,438,036,828.68 = 9,975,183,774.53 : x
  2. Step 2: Convert to fraction form
    18,433,360,000.35/25,438,036,828.68 = 9,975,183,774.53/x
  3. Step 3: Cross multiply
    18,433,360,000.35x = 25,438,036,828.68 × 9,975,183,774.53
  4. Step 4: Simplify right side
    18,433,360,000.35x = 253,749,092,229,218,107,392
  5. Step 5: Solve for x
    x = 253,749,092,229,218,107,392/18,433,360,000.35
  6. Step 6: Final answer
    x = 13,765,753,624.10

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.