Home / 289,723,230,549.81-434,584,743,538.14-77,481,846,846.27

Finding the Fourth Proportional to 289,723,230,549.81, 434,584,743,538.14 and 77,481,846,846.27

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Solution

The fourth proportional to 289,723,230,549.81, 434,584,743,538.14 and 77,481,846,846.27 is: 116,222,742,914.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,723,230,549.81 : 434,584,743,538.14 = 77,481,846,846.27 : x
  2. Step 2: Convert to fraction form
    289,723,230,549.81/434,584,743,538.14 = 77,481,846,846.27/x
  3. Step 3: Cross multiply
    289,723,230,549.81x = 434,584,743,538.14 × 77,481,846,846.27
  4. Step 4: Simplify right side
    289,723,230,549.81x = 33,672,428,540,547,693,543,424
  5. Step 5: Solve for x
    x = 33,672,428,540,547,693,543,424/289,723,230,549.81
  6. Step 6: Final answer
    x = 116,222,742,914.50

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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.