Home / 18,852,313,000.86-28,281,375,154.97-6,427,737,918.63

Finding the Fourth Proportional to 18,852,313,000.86, 28,281,375,154.97 and 6,427,737,918.63

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Solution

The fourth proportional to 18,852,313,000.86, 28,281,375,154.97 and 6,427,737,918.63 is: 9,642,597,567.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,852,313,000.86 : 28,281,375,154.97 = 6,427,737,918.63 : x
  2. Step 2: Convert to fraction form
    18,852,313,000.86/28,281,375,154.97 = 6,427,737,918.63/x
  3. Step 3: Cross multiply
    18,852,313,000.86x = 28,281,375,154.97 × 6,427,737,918.63
  4. Step 4: Simplify right side
    18,852,313,000.86x = 181,785,267,474,601,082,880
  5. Step 5: Solve for x
    x = 181,785,267,474,601,082,880/18,852,313,000.86
  6. Step 6: Final answer
    x = 9,642,597,567.01

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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.