Home / 1,056,237,489.60-1,584,348,361.20-319,305,969.60

Finding the Fourth Proportional to 1,056,237,489.60, 1,584,348,361.20 and 319,305,969.60

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Solution

The fourth proportional to 1,056,237,489.60, 1,584,348,361.20 and 319,305,969.60 is: 478,956,574.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,237,489.60 : 1,584,348,361.20 = 319,305,969.60 : x
  2. Step 2: Convert to fraction form
    1,056,237,489.60/1,584,348,361.20 = 319,305,969.60/x
  3. Step 3: Cross multiply
    1,056,237,489.60x = 1,584,348,361.20 × 319,305,969.60
  4. Step 4: Simplify right side
    1,056,237,489.60x = 505,891,889,657,137,088
  5. Step 5: Solve for x
    x = 505,891,889,657,137,088/1,056,237,489.60
  6. Step 6: Final answer
    x = 478,956,574.29

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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.