Home / 432,388,710,091.08-648,691,093,780.40-305,151,833,937.96

Finding the Fourth Proportional to 432,388,710,091.08, 648,691,093,780.40 and 305,151,833,937.96

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Solution

The fourth proportional to 432,388,710,091.08, 648,691,093,780.40 and 305,151,833,937.96 is: 457,803,990,498.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,388,710,091.08 : 648,691,093,780.40 = 305,151,833,937.96 : x
  2. Step 2: Convert to fraction form
    432,388,710,091.08/648,691,093,780.40 = 305,151,833,937.96/x
  3. Step 3: Cross multiply
    432,388,710,091.08x = 648,691,093,780.40 × 305,151,833,937.96
  4. Step 4: Simplify right side
    432,388,710,091.08x = 197,949,276,926,310,279,544,832
  5. Step 5: Solve for x
    x = 197,949,276,926,310,279,544,832/432,388,710,091.08
  6. Step 6: Final answer
    x = 457,803,990,498.77

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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.