Home / 1,056,237,621.60-1,584,348,559.20-319,306,101.60

Finding the Fourth Proportional to 1,056,237,621.60, 1,584,348,559.20 and 319,306,101.60

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Solution

The fourth proportional to 1,056,237,621.60, 1,584,348,559.20 and 319,306,101.60 is: 478,956,772.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,237,621.60 : 1,584,348,559.20 = 319,306,101.60 : x
  2. Step 2: Convert to fraction form
    1,056,237,621.60/1,584,348,559.20 = 319,306,101.60/x
  3. Step 3: Cross multiply
    1,056,237,621.60x = 1,584,348,559.20 × 319,306,101.60
  4. Step 4: Simplify right side
    1,056,237,621.60x = 505,892,162,013,728,896
  5. Step 5: Solve for x
    x = 505,892,162,013,728,896/1,056,237,621.60
  6. Step 6: Final answer
    x = 478,956,772.29

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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.