Home / 20,735,066,678.47-31,104,004,606.70-7,287,715,693.04

Finding the Fourth Proportional to 20,735,066,678.47, 31,104,004,606.70 and 7,287,715,693.04

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Solution

The fourth proportional to 20,735,066,678.47, 31,104,004,606.70 and 7,287,715,693.04 is: 10,932,067,207.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,735,066,678.47 : 31,104,004,606.70 = 7,287,715,693.04 : x
  2. Step 2: Convert to fraction form
    20,735,066,678.47/31,104,004,606.70 = 7,287,715,693.04/x
  3. Step 3: Cross multiply
    20,735,066,678.47x = 31,104,004,606.70 × 7,287,715,693.04
  4. Step 4: Simplify right side
    20,735,066,678.47x = 226,677,142,488,636,063,744
  5. Step 5: Solve for x
    x = 226,677,142,488,636,063,744/20,735,066,678.47
  6. Step 6: Final answer
    x = 10,932,067,207.87

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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.