Finding the Fourth Proportional to 1,623,952,543.86, 2,240,798,528.97 and 945,881,090.10
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Solution
The fourth proportional to 1,623,952,543.86, 2,240,798,528.97 and 945,881,090.10 is: 1,305,166,806.31
Step by Step Solution
- Step 1: Write the proportion equation
1,623,952,543.86 : 2,240,798,528.97 = 945,881,090.10 : x - Step 2: Convert to fraction form
1,623,952,543.86/2,240,798,528.97 = 945,881,090.10/x - Step 3: Cross multiply
1,623,952,543.86x = 2,240,798,528.97 × 945,881,090.10 - Step 4: Simplify right side
1,623,952,543.86x = 2,119,528,955,276,619,776 - Step 5: Solve for x
x = 2,119,528,955,276,619,776/1,623,952,543.86 - Step 6: Final answer
x = 1,305,166,806.31
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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.