Home / 661,463,439.35-992,884,660.73-293,256,972.19

Finding the Fourth Proportional to 661,463,439.35, 992,884,660.73 and 293,256,972.19

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Solution

The fourth proportional to 661,463,439.35, 992,884,660.73 and 293,256,972.19 is: 440,191,145.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,463,439.35 : 992,884,660.73 = 293,256,972.19 : x
  2. Step 2: Convert to fraction form
    661,463,439.35/992,884,660.73 = 293,256,972.19/x
  3. Step 3: Cross multiply
    661,463,439.35x = 992,884,660.73 × 293,256,972.19
  4. Step 4: Simplify right side
    661,463,439.35x = 291,170,349,337,826,112
  5. Step 5: Solve for x
    x = 291,170,349,337,826,112/661,463,439.35
  6. Step 6: Final answer
    x = 440,191,145.90

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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.