Home / 654,085,421.34-981,273,964.76-187,710,489.81

Finding the Fourth Proportional to 654,085,421.34, 981,273,964.76 and 187,710,489.81

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Solution

The fourth proportional to 654,085,421.34, 981,273,964.76 and 187,710,489.81 is: 281,607,586.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,085,421.34 : 981,273,964.76 = 187,710,489.81 : x
  2. Step 2: Convert to fraction form
    654,085,421.34/981,273,964.76 = 187,710,489.81/x
  3. Step 3: Cross multiply
    654,085,421.34x = 981,273,964.76 × 187,710,489.81
  4. Step 4: Simplify right side
    654,085,421.34x = 184,195,416,561,961,728
  5. Step 5: Solve for x
    x = 184,195,416,561,961,728/654,085,421.34
  6. Step 6: Final answer
    x = 281,607,586.03

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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.