Home / 533,603,150,789.67-736,372,348,090.02-305,232,392,775.72

Finding the Fourth Proportional to 533,603,150,789.67, 736,372,348,090.02 and 305,232,392,775.72

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Solution

The fourth proportional to 533,603,150,789.67, 736,372,348,090.02 and 305,232,392,775.72 is: 421,220,702,030.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,603,150,789.67 : 736,372,348,090.02 = 305,232,392,775.72 : x
  2. Step 2: Convert to fraction form
    533,603,150,789.67/736,372,348,090.02 = 305,232,392,775.72/x
  3. Step 3: Cross multiply
    533,603,150,789.67x = 736,372,348,090.02 × 305,232,392,775.72
  4. Step 4: Simplify right side
    533,603,150,789.67x = 224,764,693,781,392,161,505,280
  5. Step 5: Solve for x
    x = 224,764,693,781,392,161,505,280/533,603,150,789.67
  6. Step 6: Final answer
    x = 421,220,702,030.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.