Home / 831,670,562.97-1,147,714,446.83-460,398,794.49

Finding the Fourth Proportional to 831,670,562.97, 1,147,714,446.83 and 460,398,794.49

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Solution

The fourth proportional to 831,670,562.97, 1,147,714,446.83 and 460,398,794.49 is: 635,355,357.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,670,562.97 : 1,147,714,446.83 = 460,398,794.49 : x
  2. Step 2: Convert to fraction form
    831,670,562.97/1,147,714,446.83 = 460,398,794.49/x
  3. Step 3: Cross multiply
    831,670,562.97x = 1,147,714,446.83 × 460,398,794.49
  4. Step 4: Simplify right side
    831,670,562.97x = 528,406,347,736,987,264
  5. Step 5: Solve for x
    x = 528,406,347,736,987,264/831,670,562.97
  6. Step 6: Final answer
    x = 635,355,357.35

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1.5x scale

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.