Finding the Fourth Proportional to 860,213,218,783.68, 1,187,090,102,984.20 and 474,834,193,626.98
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Solution
The fourth proportional to 860,213,218,783.68, 1,187,090,102,984.20 and 474,834,193,626.98 is: 655,268,902,528.71
Step by Step Solution
- Step 1: Write the proportion equation
860,213,218,783.68 : 1,187,090,102,984.20 = 474,834,193,626.98 : x - Step 2: Convert to fraction form
860,213,218,783.68/1,187,090,102,984.20 = 474,834,193,626.98/x - Step 3: Cross multiply
860,213,218,783.68x = 1,187,090,102,984.20 × 474,834,193,626.98 - Step 4: Simplify right side
860,213,218,783.68x = 563,670,971,813,071,224,307,712 - Step 5: Solve for x
x = 563,670,971,813,071,224,307,712/860,213,218,783.68 - Step 6: Final answer
x = 655,268,902,528.71
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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.