Home / 1,028,680,894.40-1,543,021,341.60-262,775,998.40

Finding the Fourth Proportional to 1,028,680,894.40, 1,543,021,341.60 and 262,775,998.40

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Solution

The fourth proportional to 1,028,680,894.40, 1,543,021,341.60 and 262,775,998.40 is: 394,163,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,680,894.40 : 1,543,021,341.60 = 262,775,998.40 : x
  2. Step 2: Convert to fraction form
    1,028,680,894.40/1,543,021,341.60 = 262,775,998.40/x
  3. Step 3: Cross multiply
    1,028,680,894.40x = 1,543,021,341.60 × 262,775,998.40
  4. Step 4: Simplify right side
    1,028,680,894.40x = 405,468,973,591,447,424
  5. Step 5: Solve for x
    x = 405,468,973,591,447,424/1,028,680,894.40
  6. Step 6: Final answer
    x = 394,163,997.60

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Double scale
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Similar ratio
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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.