Home / 362,664,158.40-543,996,237.60-261,383,313.60

Finding the Fourth Proportional to 362,664,158.40, 543,996,237.60 and 261,383,313.60

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Solution

The fourth proportional to 362,664,158.40, 543,996,237.60 and 261,383,313.60 is: 392,074,970.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,664,158.40 : 543,996,237.60 = 261,383,313.60 : x
  2. Step 2: Convert to fraction form
    362,664,158.40/543,996,237.60 = 261,383,313.60/x
  3. Step 3: Cross multiply
    362,664,158.40x = 543,996,237.60 × 261,383,313.60
  4. Step 4: Simplify right side
    362,664,158.40x = 142,191,539,169,820,912
  5. Step 5: Solve for x
    x = 142,191,539,169,820,912/362,664,158.40
  6. Step 6: Final answer
    x = 392,074,970.40

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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.