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Finding the Fourth Proportional to 650,337,672, 897,463,723.86 and 352,979,913.21

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Solution

The fourth proportional to 650,337,672, 897,463,723.86 and 352,979,913.21 is: 487,111,051.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,337,672 : 897,463,723.86 = 352,979,913.21 : x
  2. Step 2: Convert to fraction form
    650,337,672/897,463,723.86 = 352,979,913.21/x
  3. Step 3: Cross multiply
    650,337,672x = 897,463,723.86 × 352,979,913.21
  4. Step 4: Simplify right side
    650,337,672x = 316,786,667,357,226,176
  5. Step 5: Solve for x
    x = 316,786,667,357,226,176/650,337,672
  6. Step 6: Final answer
    x = 487,111,051.68

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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.