Finding the Fourth Proportional to 543,077,071.36, 749,525,330.62 and 304,948,988.08
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Solution
The fourth proportional to 543,077,071.36, 749,525,330.62 and 304,948,988.08 is: 420,873,948.04
Step by Step Solution
- Step 1: Write the proportion equation
543,077,071.36 : 749,525,330.62 = 304,948,988.08 : x - Step 2: Convert to fraction form
543,077,071.36/749,525,330.62 = 304,948,988.08/x - Step 3: Cross multiply
543,077,071.36x = 749,525,330.62 × 304,948,988.08 - Step 4: Simplify right side
543,077,071.36x = 228,566,991,112,896,416 - Step 5: Solve for x
x = 228,566,991,112,896,416/543,077,071.36 - Step 6: Final answer
x = 420,873,948.04
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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.