Home / 680,809,969.30-1,019,703,299.55-559,877,617.30

Finding the Fourth Proportional to 680,809,969.30, 1,019,703,299.55 and 559,877,617.30

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Solution

The fourth proportional to 680,809,969.30, 1,019,703,299.55 and 559,877,617.30 is: 838,573,286.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,809,969.30 : 1,019,703,299.55 = 559,877,617.30 : x
  2. Step 2: Convert to fraction form
    680,809,969.30/1,019,703,299.55 = 559,877,617.30/x
  3. Step 3: Cross multiply
    680,809,969.30x = 1,019,703,299.55 × 559,877,617.30
  4. Step 4: Simplify right side
    680,809,969.30x = 570,909,053,705,002,112
  5. Step 5: Solve for x
    x = 570,909,053,705,002,112/680,809,969.30
  6. Step 6: Final answer
    x = 838,573,286.89

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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.