Home / 661,189,500.59-991,927,739.96-201,115,712.48

Finding the Fourth Proportional to 661,189,500.59, 991,927,739.96 and 201,115,712.48

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Solution

The fourth proportional to 661,189,500.59, 991,927,739.96 and 201,115,712.48 is: 301,717,214.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,189,500.59 : 991,927,739.96 = 201,115,712.48 : x
  2. Step 2: Convert to fraction form
    661,189,500.59/991,927,739.96 = 201,115,712.48/x
  3. Step 3: Cross multiply
    661,189,500.59x = 991,927,739.96 × 201,115,712.48
  4. Step 4: Simplify right side
    661,189,500.59x = 199,492,254,149,725,984
  5. Step 5: Solve for x
    x = 199,492,254,149,725,984/661,189,500.59
  6. Step 6: Final answer
    x = 301,717,214.16

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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.