Home / 309,004,097,764.71-426,426,008,443.73-171,823,978,697.67

Finding the Fourth Proportional to 309,004,097,764.71, 426,426,008,443.73 and 171,823,978,697.67

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Solution

The fourth proportional to 309,004,097,764.71, 426,426,008,443.73 and 171,823,978,697.67 is: 237,117,287,184.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,004,097,764.71 : 426,426,008,443.73 = 171,823,978,697.67 : x
  2. Step 2: Convert to fraction form
    309,004,097,764.71/426,426,008,443.73 = 171,823,978,697.67/x
  3. Step 3: Cross multiply
    309,004,097,764.71x = 426,426,008,443.73 × 171,823,978,697.67
  4. Step 4: Simplify right side
    309,004,097,764.71x = 73,270,213,390,967,915,937,792
  5. Step 5: Solve for x
    x = 73,270,213,390,967,915,937,792/309,004,097,764.71
  6. Step 6: Final answer
    x = 237,117,287,184.84

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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.