Home / 989,534,145.63-1,365,583,787.96-582,193,287.71

Finding the Fourth Proportional to 989,534,145.63, 1,365,583,787.96 and 582,193,287.71

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Solution

The fourth proportional to 989,534,145.63, 1,365,583,787.96 and 582,193,287.71 is: 803,442,426.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,534,145.63 : 1,365,583,787.96 = 582,193,287.71 : x
  2. Step 2: Convert to fraction form
    989,534,145.63/1,365,583,787.96 = 582,193,287.71/x
  3. Step 3: Cross multiply
    989,534,145.63x = 1,365,583,787.96 × 582,193,287.71
  4. Step 4: Simplify right side
    989,534,145.63x = 795,033,715,155,907,968
  5. Step 5: Solve for x
    x = 795,033,715,155,907,968/989,534,145.63
  6. Step 6: Final answer
    x = 803,442,426.59

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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.