Home / 1,056,237,534.60-1,584,348,428.70-319,306,014.60

Finding the Fourth Proportional to 1,056,237,534.60, 1,584,348,428.70 and 319,306,014.60

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Solution

The fourth proportional to 1,056,237,534.60, 1,584,348,428.70 and 319,306,014.60 is: 478,956,641.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,237,534.60 : 1,584,348,428.70 = 319,306,014.60 : x
  2. Step 2: Convert to fraction form
    1,056,237,534.60/1,584,348,428.70 = 319,306,014.60/x
  3. Step 3: Cross multiply
    1,056,237,534.60x = 1,584,348,428.70 × 319,306,014.60
  4. Step 4: Simplify right side
    1,056,237,534.60x = 505,891,982,505,969,344
  5. Step 5: Solve for x
    x = 505,891,982,505,969,344/1,056,237,534.60
  6. Step 6: Final answer
    x = 478,956,641.79

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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.