Home / 27,926,189,084.40-38,538,958,558.50-15,239,742,463.62

Finding the Fourth Proportional to 27,926,189,084.40, 38,538,958,558.50 and 15,239,742,463.62

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Solution

The fourth proportional to 27,926,189,084.40, 38,538,958,558.50 and 15,239,742,463.62 is: 21,031,290,788.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,926,189,084.40 : 38,538,958,558.50 = 15,239,742,463.62 : x
  2. Step 2: Convert to fraction form
    27,926,189,084.40/38,538,958,558.50 = 15,239,742,463.62/x
  3. Step 3: Cross multiply
    27,926,189,084.40x = 38,538,958,558.50 × 15,239,742,463.62
  4. Step 4: Simplify right side
    27,926,189,084.40x = 587,323,803,247,663,906,816
  5. Step 5: Solve for x
    x = 587,323,803,247,663,906,816/27,926,189,084.40
  6. Step 6: Final answer
    x = 21,031,290,788.46

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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.