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Finding the Fourth Proportional to 659,849,917.52, 910,602,212.35 and 362,519,638.54

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Solution

The fourth proportional to 659,849,917.52, 910,602,212.35 and 362,519,638.54 is: 500,282,224.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,849,917.52 : 910,602,212.35 = 362,519,638.54 : x
  2. Step 2: Convert to fraction form
    659,849,917.52/910,602,212.35 = 362,519,638.54/x
  3. Step 3: Cross multiply
    659,849,917.52x = 910,602,212.35 × 362,519,638.54
  4. Step 4: Simplify right side
    659,849,917.52x = 330,111,184,874,846,336
  5. Step 5: Solve for x
    x = 330,111,184,874,846,336/659,849,917.52
  6. Step 6: Final answer
    x = 500,282,224.96

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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.