Home / 1,279,562,829.98-1,920,235,236.57-450,583,244.57

Finding the Fourth Proportional to 1,279,562,829.98, 1,920,235,236.57 and 450,583,244.57

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Solution

The fourth proportional to 1,279,562,829.98, 1,920,235,236.57 and 450,583,244.57 is: 676,188,619.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,562,829.98 : 1,920,235,236.57 = 450,583,244.57 : x
  2. Step 2: Convert to fraction form
    1,279,562,829.98/1,920,235,236.57 = 450,583,244.57/x
  3. Step 3: Cross multiply
    1,279,562,829.98x = 1,920,235,236.57 × 450,583,244.57
  4. Step 4: Simplify right side
    1,279,562,829.98x = 865,225,823,236,152,704
  5. Step 5: Solve for x
    x = 865,225,823,236,152,704/1,279,562,829.98
  6. Step 6: Final answer
    x = 676,188,619.24

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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.