Home / 845,813,848.70-1,268,781,921.57-354,032,519.06

Finding the Fourth Proportional to 845,813,848.70, 1,268,781,921.57 and 354,032,519.06

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Solution

The fourth proportional to 845,813,848.70, 1,268,781,921.57 and 354,032,519.06 is: 531,074,373.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,813,848.70 : 1,268,781,921.57 = 354,032,519.06 : x
  2. Step 2: Convert to fraction form
    845,813,848.70/1,268,781,921.57 = 354,032,519.06/x
  3. Step 3: Cross multiply
    845,813,848.70x = 1,268,781,921.57 × 354,032,519.06
  4. Step 4: Simplify right side
    845,813,848.70x = 449,190,059,824,870,528
  5. Step 5: Solve for x
    x = 449,190,059,824,870,528/845,813,848.70
  6. Step 6: Final answer
    x = 531,074,373.54

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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.