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Finding the Fourth Proportional to 650,433,836.79, 897,599,842.08 and 353,076,284.90

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Solution

The fourth proportional to 650,433,836.79, 897,599,842.08 and 353,076,284.90 is: 487,245,895.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,433,836.79 : 897,599,842.08 = 353,076,284.90 : x
  2. Step 2: Convert to fraction form
    650,433,836.79/897,599,842.08 = 353,076,284.90/x
  3. Step 3: Cross multiply
    650,433,836.79x = 897,599,842.08 × 353,076,284.90
  4. Step 4: Simplify right side
    650,433,836.79x = 316,921,217,563,945,088
  5. Step 5: Solve for x
    x = 316,921,217,563,945,088/650,433,836.79
  6. Step 6: Final answer
    x = 487,245,895.95

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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.