Home / 1,267,311,393.60-1,901,303,013.60-449,338,401.60

Finding the Fourth Proportional to 1,267,311,393.60, 1,901,303,013.60 and 449,338,401.60

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Solution

The fourth proportional to 1,267,311,393.60, 1,901,303,013.60 and 449,338,401.60 is: 674,126,707.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,311,393.60 : 1,901,303,013.60 = 449,338,401.60 : x
  2. Step 2: Convert to fraction form
    1,267,311,393.60/1,901,303,013.60 = 449,338,401.60/x
  3. Step 3: Cross multiply
    1,267,311,393.60x = 1,901,303,013.60 × 449,338,401.60
  4. Step 4: Simplify right side
    1,267,311,393.60x = 854,328,457,088,287,104
  5. Step 5: Solve for x
    x = 854,328,457,088,287,104/1,267,311,393.60
  6. Step 6: Final answer
    x = 674,126,707.46

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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.