Finding the Fourth Proportional to 292,278,377.97, 403,344,127.40 and 174,803,689.98
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Solution
The fourth proportional to 292,278,377.97, 403,344,127.40 and 174,803,689.98 is: 241,229,071.72
Step by Step Solution
- Step 1: Write the proportion equation
292,278,377.97 : 403,344,127.40 = 174,803,689.98 : x - Step 2: Convert to fraction form
292,278,377.97/403,344,127.40 = 174,803,689.98/x - Step 3: Cross multiply
292,278,377.97x = 403,344,127.40 × 174,803,689.98 - Step 4: Simplify right side
292,278,377.97x = 70,506,041,800,409,200 - Step 5: Solve for x
x = 70,506,041,800,409,200/292,278,377.97 - Step 6: Final answer
x = 241,229,071.72
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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.