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Finding the Fourth Proportional to 650,791,806.64, 897,874,190.72 and 368,495,674

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Solution

The fourth proportional to 650,791,806.64, 897,874,190.72 and 368,495,674 is: 508,400,308.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,791,806.64 : 897,874,190.72 = 368,495,674 : x
  2. Step 2: Convert to fraction form
    650,791,806.64/897,874,190.72 = 368,495,674/x
  3. Step 3: Cross multiply
    650,791,806.64x = 897,874,190.72 × 368,495,674
  4. Step 4: Simplify right side
    650,791,806.64x = 330,862,755,076,570,944
  5. Step 5: Solve for x
    x = 330,862,755,076,570,944/650,791,806.64
  6. Step 6: Final answer
    x = 508,400,308.21

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