Finding the Fourth Proportional to 1,277,853,611.04, 1,911,737,106 and 967,854,235.68
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Solution
The fourth proportional to 1,277,853,611.04, 1,911,737,106 and 967,854,235.68 is: 1,447,961,518.88
Step by Step Solution
- Step 1: Write the proportion equation
1,277,853,611.04 : 1,911,737,106 = 967,854,235.68 : x - Step 2: Convert to fraction form
1,277,853,611.04/1,911,737,106 = 967,854,235.68/x - Step 3: Cross multiply
1,277,853,611.04x = 1,911,737,106 × 967,854,235.68 - Step 4: Simplify right side
1,277,853,611.04x = 1,850,282,855,548,724,992 - Step 5: Solve for x
x = 1,850,282,855,548,724,992/1,277,853,611.04 - Step 6: Final answer
x = 1,447,961,518.88
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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.