Home / 341,650,218.40-512,475,327.60-212,655,709.60

Finding the Fourth Proportional to 341,650,218.40, 512,475,327.60 and 212,655,709.60

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Solution

The fourth proportional to 341,650,218.40, 512,475,327.60 and 212,655,709.60 is: 318,983,564.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,650,218.40 : 512,475,327.60 = 212,655,709.60 : x
  2. Step 2: Convert to fraction form
    341,650,218.40/512,475,327.60 = 212,655,709.60/x
  3. Step 3: Cross multiply
    341,650,218.40x = 512,475,327.60 × 212,655,709.60
  4. Step 4: Simplify right side
    341,650,218.40x = 108,980,804,443,270,464
  5. Step 5: Solve for x
    x = 108,980,804,443,270,464/341,650,218.40
  6. Step 6: Final answer
    x = 318,983,564.40

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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.