Home / 559,103,999.60-838,655,999.40-395,845,324.40

Finding the Fourth Proportional to 559,103,999.60, 838,655,999.40 and 395,845,324.40

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Solution

The fourth proportional to 559,103,999.60, 838,655,999.40 and 395,845,324.40 is: 593,767,986.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,103,999.60 : 838,655,999.40 = 395,845,324.40 : x
  2. Step 2: Convert to fraction form
    559,103,999.60/838,655,999.40 = 395,845,324.40/x
  3. Step 3: Cross multiply
    559,103,999.60x = 838,655,999.40 × 395,845,324.40
  4. Step 4: Simplify right side
    559,103,999.60x = 331,978,056,142,499,200
  5. Step 5: Solve for x
    x = 331,978,056,142,499,200/559,103,999.60
  6. Step 6: Final answer
    x = 593,767,986.60

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1.5x scale

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.