Home / 661,463,438.59-992,884,659.60-293,256,971.44

Finding the Fourth Proportional to 661,463,438.59, 992,884,659.60 and 293,256,971.44

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Solution

The fourth proportional to 661,463,438.59, 992,884,659.60 and 293,256,971.44 is: 440,191,144.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,463,438.59 : 992,884,659.60 = 293,256,971.44 : x
  2. Step 2: Convert to fraction form
    661,463,438.59/992,884,659.60 = 293,256,971.44/x
  3. Step 3: Cross multiply
    661,463,438.59x = 992,884,659.60 × 293,256,971.44
  4. Step 4: Simplify right side
    661,463,438.59x = 291,170,348,262,145,856
  5. Step 5: Solve for x
    x = 291,170,348,262,145,856/661,463,438.59
  6. Step 6: Final answer
    x = 440,191,144.78

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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.