Home / 18,440,597,788.39-25,448,200,391.69-10,819,773,349.71

Finding the Fourth Proportional to 18,440,597,788.39, 25,448,200,391.69 and 10,819,773,349.71

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Solution

The fourth proportional to 18,440,597,788.39, 25,448,200,391.69 and 10,819,773,349.71 is: 14,931,390,161.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,440,597,788.39 : 25,448,200,391.69 = 10,819,773,349.71 : x
  2. Step 2: Convert to fraction form
    18,440,597,788.39/25,448,200,391.69 = 10,819,773,349.71/x
  3. Step 3: Cross multiply
    18,440,597,788.39x = 25,448,200,391.69 × 10,819,773,349.71
  4. Step 4: Simplify right side
    18,440,597,788.39x = 275,343,760,396,087,001,088
  5. Step 5: Solve for x
    x = 275,343,760,396,087,001,088/18,440,597,788.39
  6. Step 6: Final answer
    x = 14,931,390,161.84

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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.