Home / 853,153,839-1,177,018,969.80-495,862,249.32

Finding the Fourth Proportional to 853,153,839, 1,177,018,969.80 and 495,862,249.32

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Solution

The fourth proportional to 853,153,839, 1,177,018,969.80 and 495,862,249.32 is: 684,096,170.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,153,839 : 1,177,018,969.80 = 495,862,249.32 : x
  2. Step 2: Convert to fraction form
    853,153,839/1,177,018,969.80 = 495,862,249.32/x
  3. Step 3: Cross multiply
    853,153,839x = 1,177,018,969.80 × 495,862,249.32
  4. Step 4: Simplify right side
    853,153,839x = 583,639,273,857,337,088
  5. Step 5: Solve for x
    x = 583,639,273,857,337,088/853,153,839
  6. Step 6: Final answer
    x = 684,096,170.21

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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.