Finding the Fourth Proportional to 841,740,346.08, 1,161,642,164.04 and 465,389,969.94
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Solution
The fourth proportional to 841,740,346.08, 1,161,642,164.04 and 465,389,969.94 is: 642,260,543.08
Step by Step Solution
- Step 1: Write the proportion equation
841,740,346.08 : 1,161,642,164.04 = 465,389,969.94 : x - Step 2: Convert to fraction form
841,740,346.08/1,161,642,164.04 = 465,389,969.94/x - Step 3: Cross multiply
841,740,346.08x = 1,161,642,164.04 × 465,389,969.94 - Step 4: Simplify right side
841,740,346.08x = 540,616,611,803,612,160 - Step 5: Solve for x
x = 540,616,611,803,612,160/841,740,346.08 - Step 6: Final answer
x = 642,260,543.08
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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.