Home / 831,868,221.74-1,148,014,018.13-460,590,285.92

Finding the Fourth Proportional to 831,868,221.74, 1,148,014,018.13 and 460,590,285.92

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Solution

The fourth proportional to 831,868,221.74, 1,148,014,018.13 and 460,590,285.92 is: 635,634,456.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,868,221.74 : 1,148,014,018.13 = 460,590,285.92 : x
  2. Step 2: Convert to fraction form
    831,868,221.74/1,148,014,018.13 = 460,590,285.92/x
  3. Step 3: Cross multiply
    831,868,221.74x = 1,148,014,018.13 × 460,590,285.92
  4. Step 4: Simplify right side
    831,868,221.74x = 528,764,104,850,664,832
  5. Step 5: Solve for x
    x = 528,764,104,850,664,832/831,868,221.74
  6. Step 6: Final answer
    x = 635,634,456.31

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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.