Home / 1,119,743,998.40-1,679,615,997.60-1,017,623,345.60

Finding the Fourth Proportional to 1,119,743,998.40, 1,679,615,997.60 and 1,017,623,345.60

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Solution

The fourth proportional to 1,119,743,998.40, 1,679,615,997.60 and 1,017,623,345.60 is: 1,526,435,018.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,743,998.40 : 1,679,615,997.60 = 1,017,623,345.60 : x
  2. Step 2: Convert to fraction form
    1,119,743,998.40/1,679,615,997.60 = 1,017,623,345.60/x
  3. Step 3: Cross multiply
    1,119,743,998.40x = 1,679,615,997.60 × 1,017,623,345.60
  4. Step 4: Simplify right side
    1,119,743,998.40x = 1,709,216,450,800,993,536
  5. Step 5: Solve for x
    x = 1,709,216,450,800,993,536/1,119,743,998.40
  6. Step 6: Final answer
    x = 1,526,435,018.40

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Double scale
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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.