Home / 362,896,845.40-543,996,903.30-120,434,944.60

Finding the Fourth Proportional to 362,896,845.40, 543,996,903.30 and 120,434,944.60

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Solution

The fourth proportional to 362,896,845.40, 543,996,903.30 and 120,434,944.60 is: 180,536,804.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,896,845.40 : 543,996,903.30 = 120,434,944.60 : x
  2. Step 2: Convert to fraction form
    362,896,845.40/543,996,903.30 = 120,434,944.60/x
  3. Step 3: Cross multiply
    362,896,845.40x = 543,996,903.30 × 120,434,944.60
  4. Step 4: Simplify right side
    362,896,845.40x = 65,516,236,911,507,048
  5. Step 5: Solve for x
    x = 65,516,236,911,507,048/362,896,845.40
  6. Step 6: Final answer
    x = 180,536,804.72

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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.