Finding the Fourth Proportional to 875,851,637.88, 1,208,545,244.55 and 531,954,840
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Solution
The fourth proportional to 875,851,637.88, 1,208,545,244.55 and 531,954,840 is: 734,018,713.21
Step by Step Solution
- Step 1: Write the proportion equation
875,851,637.88 : 1,208,545,244.55 = 531,954,840 : x - Step 2: Convert to fraction form
875,851,637.88/1,208,545,244.55 = 531,954,840/x - Step 3: Cross multiply
875,851,637.88x = 1,208,545,244.55 × 531,954,840 - Step 4: Simplify right side
875,851,637.88x = 642,891,492,197,356,160 - Step 5: Solve for x
x = 642,891,492,197,356,160/875,851,637.88 - Step 6: Final answer
x = 734,018,713.21
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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.