Finding the Fourth Proportional to 3,090,381,125,376.40, 4,635,570,597,008.80 and 826,473,032,539.84
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Solution
The fourth proportional to 3,090,381,125,376.40, 4,635,570,597,008.80 and 826,473,032,539.84 is: 1,239,709,257,024.33
Step by Step Solution
- Step 1: Write the proportion equation
3,090,381,125,376.40 : 4,635,570,597,008.80 = 826,473,032,539.84 : x - Step 2: Convert to fraction form
3,090,381,125,376.40/4,635,570,597,008.80 = 826,473,032,539.84/x - Step 3: Cross multiply
3,090,381,125,376.40x = 4,635,570,597,008.80 × 826,473,032,539.84 - Step 4: Simplify right side
3,090,381,125,376.40x = 3,831,174,088,862,379,125,243,904 - Step 5: Solve for x
x = 3,831,174,088,862,379,125,243,904/3,090,381,125,376.40 - Step 6: Final answer
x = 1,239,709,257,024.33
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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.