Home / 994,582,679.60-1,491,874,019.40-339,315,926.60

Finding the Fourth Proportional to 994,582,679.60, 1,491,874,019.40 and 339,315,926.60

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Solution

The fourth proportional to 994,582,679.60, 1,491,874,019.40 and 339,315,926.60 is: 508,973,889.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,582,679.60 : 1,491,874,019.40 = 339,315,926.60 : x
  2. Step 2: Convert to fraction form
    994,582,679.60/1,491,874,019.40 = 339,315,926.60/x
  3. Step 3: Cross multiply
    994,582,679.60x = 1,491,874,019.40 × 339,315,926.60
  4. Step 4: Simplify right side
    994,582,679.60x = 506,216,615,263,177,472
  5. Step 5: Solve for x
    x = 506,216,615,263,177,472/994,582,679.60
  6. Step 6: Final answer
    x = 508,973,889.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.