Home / 3,886,392,818,882.70-5,363,390,678,978-2,152,202,375,214.40

Finding the Fourth Proportional to 3,886,392,818,882.70, 5,363,390,678,978 and 2,152,202,375,214.40

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Solution

The fourth proportional to 3,886,392,818,882.70, 5,363,390,678,978 and 2,152,202,375,214.40 is: 2,970,132,638,783.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,392,818,882.70 : 5,363,390,678,978 = 2,152,202,375,214.40 : x
  2. Step 2: Convert to fraction form
    3,886,392,818,882.70/5,363,390,678,978 = 2,152,202,375,214.40/x
  3. Step 3: Cross multiply
    3,886,392,818,882.70x = 5,363,390,678,978 × 2,152,202,375,214.40
  4. Step 4: Simplify right side
    3,886,392,818,882.70x = 11,543,102,158,499,225,444,286,464
  5. Step 5: Solve for x
    x = 11,543,102,158,499,225,444,286,464/3,886,392,818,882.70
  6. Step 6: Final answer
    x = 2,970,132,638,783.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.