Home / 289,723,230,504.29-434,584,743,469.93-77,481,846,800.86

Finding the Fourth Proportional to 289,723,230,504.29, 434,584,743,469.93 and 77,481,846,800.86

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Solution

The fourth proportional to 289,723,230,504.29, 434,584,743,469.93 and 77,481,846,800.86 is: 116,222,742,846.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,723,230,504.29 : 434,584,743,469.93 = 77,481,846,800.86 : x
  2. Step 2: Convert to fraction form
    289,723,230,504.29/434,584,743,469.93 = 77,481,846,800.86/x
  3. Step 3: Cross multiply
    289,723,230,504.29x = 434,584,743,469.93 × 77,481,846,800.86
  4. Step 4: Simplify right side
    289,723,230,504.29x = 33,672,428,515,528,158,478,336
  5. Step 5: Solve for x
    x = 33,672,428,515,528,158,478,336/289,723,230,504.29
  6. Step 6: Final answer
    x = 116,222,742,846.40

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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.