Finding the Fourth Proportional to 815,771,567,890.80, 1,125,768,263,599.30 and 444,983,066,214.98
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Solution
The fourth proportional to 815,771,567,890.80, 1,125,768,263,599.30 and 444,983,066,214.98 is: 614,078,540,490.38
Step by Step Solution
- Step 1: Write the proportion equation
815,771,567,890.80 : 1,125,768,263,599.30 = 444,983,066,214.98 : x - Step 2: Convert to fraction form
815,771,567,890.80/1,125,768,263,599.30 = 444,983,066,214.98/x - Step 3: Cross multiply
815,771,567,890.80x = 1,125,768,263,599.30 × 444,983,066,214.98 - Step 4: Simplify right side
815,771,567,890.80x = 500,947,813,783,930,352,435,200 - Step 5: Solve for x
x = 500,947,813,783,930,352,435,200/815,771,567,890.80 - Step 6: Final answer
x = 614,078,540,490.38
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.