Home / 800,340,802.49-1,200,571,750.38-247,699,126.25

Finding the Fourth Proportional to 800,340,802.49, 1,200,571,750.38 and 247,699,126.25

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Solution

The fourth proportional to 800,340,802.49, 1,200,571,750.38 and 247,699,126.25 is: 371,567,428.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,340,802.49 : 1,200,571,750.38 = 247,699,126.25 : x
  2. Step 2: Convert to fraction form
    800,340,802.49/1,200,571,750.38 = 247,699,126.25/x
  3. Step 3: Cross multiply
    800,340,802.49x = 1,200,571,750.38 × 247,699,126.25
  4. Step 4: Simplify right side
    800,340,802.49x = 297,380,573,569,559,104
  5. Step 5: Solve for x
    x = 297,380,573,569,559,104/800,340,802.49
  6. Step 6: Final answer
    x = 371,567,428.08

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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.