Home / 980,201,702.28-1,352,638,990.43-534,155,558.72

Finding the Fourth Proportional to 980,201,702.28, 1,352,638,990.43 and 534,155,558.72

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Solution

The fourth proportional to 980,201,702.28, 1,352,638,990.43 and 534,155,558.72 is: 737,113,222.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,201,702.28 : 1,352,638,990.43 = 534,155,558.72 : x
  2. Step 2: Convert to fraction form
    980,201,702.28/1,352,638,990.43 = 534,155,558.72/x
  3. Step 3: Cross multiply
    980,201,702.28x = 1,352,638,990.43 × 534,155,558.72
  4. Step 4: Simplify right side
    980,201,702.28x = 722,519,635,670,159,360
  5. Step 5: Solve for x
    x = 722,519,635,670,159,360/980,201,702.28
  6. Step 6: Final answer
    x = 737,113,222.71

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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.