Home / 7,142,144,391.34-10,717,394,140.20-2,663,333,223.81

Finding the Fourth Proportional to 7,142,144,391.34, 10,717,394,140.20 and 2,663,333,223.81

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Solution

The fourth proportional to 7,142,144,391.34, 10,717,394,140.20 and 2,663,333,223.81 is: 3,996,557,661.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,142,144,391.34 : 10,717,394,140.20 = 2,663,333,223.81 : x
  2. Step 2: Convert to fraction form
    7,142,144,391.34/10,717,394,140.20 = 2,663,333,223.81/x
  3. Step 3: Cross multiply
    7,142,144,391.34x = 10,717,394,140.20 × 2,663,333,223.81
  4. Step 4: Simplify right side
    7,142,144,391.34x = 28,543,991,886,260,133,888
  5. Step 5: Solve for x
    x = 28,543,991,886,260,133,888/7,142,144,391.34
  6. Step 6: Final answer
    x = 3,996,557,661.43

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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.