Home / 12,385,375,383.62-17,091,266,678.34-7,235,900,153.76

Finding the Fourth Proportional to 12,385,375,383.62, 17,091,266,678.34 and 7,235,900,153.76

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Solution

The fourth proportional to 12,385,375,383.62, 17,091,266,678.34 and 7,235,900,153.76 is: 9,985,220,096.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,385,375,383.62 : 17,091,266,678.34 = 7,235,900,153.76 : x
  2. Step 2: Convert to fraction form
    12,385,375,383.62/17,091,266,678.34 = 7,235,900,153.76/x
  3. Step 3: Cross multiply
    12,385,375,383.62x = 17,091,266,678.34 × 7,235,900,153.76
  4. Step 4: Simplify right side
    12,385,375,383.62x = 123,670,699,185,753,571,328
  5. Step 5: Solve for x
    x = 123,670,699,185,753,571,328/12,385,375,383.62
  6. Step 6: Final answer
    x = 9,985,220,096.70

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1.5x scale

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.