Finding the Fourth Proportional to 3,877,692,512.42, 5,817,355,919.40 and 1,257,292,285.94
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Solution
The fourth proportional to 3,877,692,512.42, 5,817,355,919.40 and 1,257,292,285.94 is: 1,886,203,379.61
Step by Step Solution
- Step 1: Write the proportion equation
3,877,692,512.42 : 5,817,355,919.40 = 1,257,292,285.94 : x - Step 2: Convert to fraction form
3,877,692,512.42/5,817,355,919.40 = 1,257,292,285.94/x - Step 3: Cross multiply
3,877,692,512.42x = 5,817,355,919.40 × 1,257,292,285.94 - Step 4: Simplify right side
3,877,692,512.42x = 7,314,116,722,029,016,064 - Step 5: Solve for x
x = 7,314,116,722,029,016,064/3,877,692,512.42 - Step 6: Final answer
x = 1,886,203,379.61
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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.