Home / 674,123,504.40-1,011,185,256.60-189,449,312.40

Finding the Fourth Proportional to 674,123,504.40, 1,011,185,256.60 and 189,449,312.40

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Solution

The fourth proportional to 674,123,504.40, 1,011,185,256.60 and 189,449,312.40 is: 284,173,968.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,123,504.40 : 1,011,185,256.60 = 189,449,312.40 : x
  2. Step 2: Convert to fraction form
    674,123,504.40/1,011,185,256.60 = 189,449,312.40/x
  3. Step 3: Cross multiply
    674,123,504.40x = 1,011,185,256.60 × 189,449,312.40
  4. Step 4: Simplify right side
    674,123,504.40x = 191,568,351,571,887,584
  5. Step 5: Solve for x
    x = 191,568,351,571,887,584/674,123,504.40
  6. Step 6: Final answer
    x = 284,173,968.60

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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.