Home / 968,692,197.13-1,337,208,445.85-651,336,391.28

Finding the Fourth Proportional to 968,692,197.13, 1,337,208,445.85 and 651,336,391.28

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Solution

The fourth proportional to 968,692,197.13, 1,337,208,445.85 and 651,336,391.28 is: 899,122,059.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,692,197.13 : 1,337,208,445.85 = 651,336,391.28 : x
  2. Step 2: Convert to fraction form
    968,692,197.13/1,337,208,445.85 = 651,336,391.28/x
  3. Step 3: Cross multiply
    968,692,197.13x = 1,337,208,445.85 × 651,336,391.28
  4. Step 4: Simplify right side
    968,692,197.13x = 870,972,523,509,162,752
  5. Step 5: Solve for x
    x = 870,972,523,509,162,752/968,692,197.13
  6. Step 6: Final answer
    x = 899,122,059.71

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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.