Finding the Fourth Proportional to 363,312,262.08, 502,026,754.98 and 258,708,730.08
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Solution
The fourth proportional to 363,312,262.08, 502,026,754.98 and 258,708,730.08 is: 357,485,055.70
Step by Step Solution
- Step 1: Write the proportion equation
363,312,262.08 : 502,026,754.98 = 258,708,730.08 : x - Step 2: Convert to fraction form
363,312,262.08/502,026,754.98 = 258,708,730.08/x - Step 3: Cross multiply
363,312,262.08x = 502,026,754.98 × 258,708,730.08 - Step 4: Simplify right side
363,312,262.08x = 129,878,704,247,059,120 - Step 5: Solve for x
x = 129,878,704,247,059,120/363,312,262.08 - Step 6: Final answer
x = 357,485,055.70
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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.