Finding the Fourth Proportional to 1,236,441,837.96, 1,706,306,373.54 and 671,937,925.08
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Solution
The fourth proportional to 1,236,441,837.96, 1,706,306,373.54 and 671,937,925.08 is: 927,283,377.99
Step by Step Solution
- Step 1: Write the proportion equation
1,236,441,837.96 : 1,706,306,373.54 = 671,937,925.08 : x - Step 2: Convert to fraction form
1,236,441,837.96/1,706,306,373.54 = 671,937,925.08/x - Step 3: Cross multiply
1,236,441,837.96x = 1,706,306,373.54 × 671,937,925.08 - Step 4: Simplify right side
1,236,441,837.96x = 1,146,531,964,187,247,104 - Step 5: Solve for x
x = 1,146,531,964,187,247,104/1,236,441,837.96 - Step 6: Final answer
x = 927,283,377.99
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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.