Home / 812,598,422.76-1,121,454,984.87-460,237,096.53

Finding the Fourth Proportional to 812,598,422.76, 1,121,454,984.87 and 460,237,096.53

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Solution

The fourth proportional to 812,598,422.76, 1,121,454,984.87 and 460,237,096.53 is: 635,166,364.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,598,422.76 : 1,121,454,984.87 = 460,237,096.53 : x
  2. Step 2: Convert to fraction form
    812,598,422.76/1,121,454,984.87 = 460,237,096.53/x
  3. Step 3: Cross multiply
    812,598,422.76x = 1,121,454,984.87 × 460,237,096.53
  4. Step 4: Simplify right side
    812,598,422.76x = 516,135,186,125,663,808
  5. Step 5: Solve for x
    x = 516,135,186,125,663,808/812,598,422.76
  6. Step 6: Final answer
    x = 635,166,364.68

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Double scale
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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.