Home / 661,189,501.59-991,927,741.46-201,115,713.48

Finding the Fourth Proportional to 661,189,501.59, 991,927,741.46 and 201,115,713.48

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Solution

The fourth proportional to 661,189,501.59, 991,927,741.46 and 201,115,713.48 is: 301,717,215.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,189,501.59 : 991,927,741.46 = 201,115,713.48 : x
  2. Step 2: Convert to fraction form
    661,189,501.59/991,927,741.46 = 201,115,713.48/x
  3. Step 3: Cross multiply
    661,189,501.59x = 991,927,741.46 × 201,115,713.48
  4. Step 4: Simplify right side
    661,189,501.59x = 199,492,255,444,332,864
  5. Step 5: Solve for x
    x = 199,492,255,444,332,864/661,189,501.59
  6. Step 6: Final answer
    x = 301,717,215.66

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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.