Home / 686,927,091,709.44-1,030,861,305,509.80-239,746,992,174.72

Finding the Fourth Proportional to 686,927,091,709.44, 1,030,861,305,509.80 and 239,746,992,174.72

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Solution

The fourth proportional to 686,927,091,709.44, 1,030,861,305,509.80 and 239,746,992,174.72 is: 359,784,757,841.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,927,091,709.44 : 1,030,861,305,509.80 = 239,746,992,174.72 : x
  2. Step 2: Convert to fraction form
    686,927,091,709.44/1,030,861,305,509.80 = 239,746,992,174.72/x
  3. Step 3: Cross multiply
    686,927,091,709.44x = 1,030,861,305,509.80 × 239,746,992,174.72
  4. Step 4: Simplify right side
    686,927,091,709.44x = 247,145,897,345,279,676,383,232
  5. Step 5: Solve for x
    x = 247,145,897,345,279,676,383,232/686,927,091,709.44
  6. Step 6: Final answer
    x = 359,784,757,841.26

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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.