Home / 846,128,477.20-1,167,693,766.83-469,785,083.53

Finding the Fourth Proportional to 846,128,477.20, 1,167,693,766.83 and 469,785,083.53

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Solution

The fourth proportional to 846,128,477.20, 1,167,693,766.83 and 469,785,083.53 is: 648,323,663.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,128,477.20 : 1,167,693,766.83 = 469,785,083.53 : x
  2. Step 2: Convert to fraction form
    846,128,477.20/1,167,693,766.83 = 469,785,083.53/x
  3. Step 3: Cross multiply
    846,128,477.20x = 1,167,693,766.83 × 469,785,083.53
  4. Step 4: Simplify right side
    846,128,477.20x = 548,565,113,784,104,896
  5. Step 5: Solve for x
    x = 548,565,113,784,104,896/846,128,477.20
  6. Step 6: Final answer
    x = 648,323,663.09

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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.