Home / 989,534,146.63-1,365,583,789.34-582,193,288.71

Finding the Fourth Proportional to 989,534,146.63, 1,365,583,789.34 and 582,193,288.71

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Solution

The fourth proportional to 989,534,146.63, 1,365,583,789.34 and 582,193,288.71 is: 803,442,427.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,534,146.63 : 1,365,583,789.34 = 582,193,288.71 : x
  2. Step 2: Convert to fraction form
    989,534,146.63/1,365,583,789.34 = 582,193,288.71/x
  3. Step 3: Cross multiply
    989,534,146.63x = 1,365,583,789.34 × 582,193,288.71
  4. Step 4: Simplify right side
    989,534,146.63x = 795,033,717,324,918,400
  5. Step 5: Solve for x
    x = 795,033,717,324,918,400/989,534,146.63
  6. Step 6: Final answer
    x = 803,442,427.97

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1.5x scale

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.