Home / 845,813,878.32-1,268,781,966-354,032,548.68

Finding the Fourth Proportional to 845,813,878.32, 1,268,781,966 and 354,032,548.68

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Solution

The fourth proportional to 845,813,878.32, 1,268,781,966 and 354,032,548.68 is: 531,074,417.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,813,878.32 : 1,268,781,966 = 354,032,548.68 : x
  2. Step 2: Convert to fraction form
    845,813,878.32/1,268,781,966 = 354,032,548.68/x
  3. Step 3: Cross multiply
    845,813,878.32x = 1,268,781,966 × 354,032,548.68
  4. Step 4: Simplify right side
    845,813,878.32x = 449,190,113,142,201,088
  5. Step 5: Solve for x
    x = 449,190,113,142,201,088/845,813,878.32
  6. Step 6: Final answer
    x = 531,074,417.97

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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.