Finding the Fourth Proportional to 1,546,195,148.21, 2,133,731,368.38 and 841,334,985.39
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Solution
The fourth proportional to 1,546,195,148.21, 2,133,731,368.38 and 841,334,985.39 is: 1,161,032,520.20
Step by Step Solution
- Step 1: Write the proportion equation
1,546,195,148.21 : 2,133,731,368.38 = 841,334,985.39 : x - Step 2: Convert to fraction form
1,546,195,148.21/2,133,731,368.38 = 841,334,985.39/x - Step 3: Cross multiply
1,546,195,148.21x = 2,133,731,368.38 × 841,334,985.39 - Step 4: Simplify right side
1,546,195,148.21x = 1,795,182,849,642,172,160 - Step 5: Solve for x
x = 1,795,182,849,642,172,160/1,546,195,148.21 - Step 6: Final answer
x = 1,161,032,520.20
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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.