Home / 661,189,495.58-991,927,732.44-201,115,707.47

Finding the Fourth Proportional to 661,189,495.58, 991,927,732.44 and 201,115,707.47

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Solution

The fourth proportional to 661,189,495.58, 991,927,732.44 and 201,115,707.47 is: 301,717,206.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,189,495.58 : 991,927,732.44 = 201,115,707.47 : x
  2. Step 2: Convert to fraction form
    661,189,495.58/991,927,732.44 = 201,115,707.47/x
  3. Step 3: Cross multiply
    661,189,495.58x = 991,927,732.44 × 201,115,707.47
  4. Step 4: Simplify right side
    661,189,495.58x = 199,492,247,667,169,504
  5. Step 5: Solve for x
    x = 199,492,247,667,169,504/661,189,495.58
  6. Step 6: Final answer
    x = 301,717,206.64

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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.