Home / 627,263,999.60-940,895,999.40-561,507,033.20

Finding the Fourth Proportional to 627,263,999.60, 940,895,999.40 and 561,507,033.20

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Solution

The fourth proportional to 627,263,999.60, 940,895,999.40 and 561,507,033.20 is: 842,260,549.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,263,999.60 : 940,895,999.40 = 561,507,033.20 : x
  2. Step 2: Convert to fraction form
    627,263,999.60/940,895,999.40 = 561,507,033.20/x
  3. Step 3: Cross multiply
    627,263,999.60x = 940,895,999.40 × 561,507,033.20
  4. Step 4: Simplify right side
    627,263,999.60x = 528,319,721,172,843,008
  5. Step 5: Solve for x
    x = 528,319,721,172,843,008/627,263,999.60
  6. Step 6: Final answer
    x = 842,260,549.80

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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.