Home / 289,723,230,526.64-434,584,743,503.42-77,481,846,823.14

Finding the Fourth Proportional to 289,723,230,526.64, 434,584,743,503.42 and 77,481,846,823.14

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Solution

The fourth proportional to 289,723,230,526.64, 434,584,743,503.42 and 77,481,846,823.14 is: 116,222,742,879.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,723,230,526.64 : 434,584,743,503.42 = 77,481,846,823.14 : x
  2. Step 2: Convert to fraction form
    289,723,230,526.64/434,584,743,503.42 = 77,481,846,823.14/x
  3. Step 3: Cross multiply
    289,723,230,526.64x = 434,584,743,503.42 × 77,481,846,823.14
  4. Step 4: Simplify right side
    289,723,230,526.64x = 33,672,428,527,805,574,152,192
  5. Step 5: Solve for x
    x = 33,672,428,527,805,574,152,192/289,723,230,526.64
  6. Step 6: Final answer
    x = 116,222,742,879.81

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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.