Home / 831,607,265.70-1,247,410,898.55-423,460,577.70

Finding the Fourth Proportional to 831,607,265.70, 1,247,410,898.55 and 423,460,577.70

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Solution

The fourth proportional to 831,607,265.70, 1,247,410,898.55 and 423,460,577.70 is: 635,190,866.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,607,265.70 : 1,247,410,898.55 = 423,460,577.70 : x
  2. Step 2: Convert to fraction form
    831,607,265.70/1,247,410,898.55 = 423,460,577.70/x
  3. Step 3: Cross multiply
    831,607,265.70x = 1,247,410,898.55 × 423,460,577.70
  4. Step 4: Simplify right side
    831,607,265.70x = 528,229,339,729,259,072
  5. Step 5: Solve for x
    x = 528,229,339,729,259,072/831,607,265.70
  6. Step 6: Final answer
    x = 635,190,866.55

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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.