Home / 1,654,890,043.20-2,482,135,999.20-685,440,571.20

Finding the Fourth Proportional to 1,654,890,043.20, 2,482,135,999.20 and 685,440,571.20

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Solution

The fourth proportional to 1,654,890,043.20, 2,482,135,999.20 and 685,440,571.20 is: 1,028,078,405.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654,890,043.20 : 2,482,135,999.20 = 685,440,571.20 : x
  2. Step 2: Convert to fraction form
    1,654,890,043.20/2,482,135,999.20 = 685,440,571.20/x
  3. Step 3: Cross multiply
    1,654,890,043.20x = 2,482,135,999.20 × 685,440,571.20
  4. Step 4: Simplify right side
    1,654,890,043.20x = 1,701,356,717,087,730,688
  5. Step 5: Solve for x
    x = 1,701,356,717,087,730,688/1,654,890,043.20
  6. Step 6: Final answer
    x = 1,028,078,405.62

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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.