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Finding the Fourth Proportional to 657,082,668.48, 906,772,663.36 and 359,722,500.50

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Solution

The fourth proportional to 657,082,668.48, 906,772,663.36 and 359,722,500.50 is: 496,416,273.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,082,668.48 : 906,772,663.36 = 359,722,500.50 : x
  2. Step 2: Convert to fraction form
    657,082,668.48/906,772,663.36 = 359,722,500.50/x
  3. Step 3: Cross multiply
    657,082,668.48x = 906,772,663.36 × 359,722,500.50
  4. Step 4: Simplify right side
    657,082,668.48x = 326,186,529,848,903,936
  5. Step 5: Solve for x
    x = 326,186,529,848,903,936/657,082,668.48
  6. Step 6: Final answer
    x = 496,416,273.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.