Finding the Fourth Proportional to 1,508,952,637.08, 2,082,354,739.29 and 839,883,323.40
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Solution
The fourth proportional to 1,508,952,637.08, 2,082,354,739.29 and 839,883,323.40 is: 1,159,039,042.02
Step by Step Solution
- Step 1: Write the proportion equation
1,508,952,637.08 : 2,082,354,739.29 = 839,883,323.40 : x - Step 2: Convert to fraction form
1,508,952,637.08/2,082,354,739.29 = 839,883,323.40/x - Step 3: Cross multiply
1,508,952,637.08x = 2,082,354,739.29 × 839,883,323.40 - Step 4: Simplify right side
1,508,952,637.08x = 1,748,935,018,932,625,664 - Step 5: Solve for x
x = 1,748,935,018,932,625,664/1,508,952,637.08 - Step 6: Final answer
x = 1,159,039,042.02
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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.