Finding the Fourth Proportional to 1,026,541,659.84, 1,539,197,559.63 and 326,731,512.12
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Solution
The fourth proportional to 1,026,541,659.84, 1,539,197,559.63 and 326,731,512.12 is: 489,901,545.92
Step by Step Solution
- Step 1: Write the proportion equation
1,026,541,659.84 : 1,539,197,559.63 = 326,731,512.12 : x - Step 2: Convert to fraction form
1,026,541,659.84/1,539,197,559.63 = 326,731,512.12/x - Step 3: Cross multiply
1,026,541,659.84x = 1,539,197,559.63 × 326,731,512.12 - Step 4: Simplify right side
1,026,541,659.84x = 502,904,346,109,323,840 - Step 5: Solve for x
x = 502,904,346,109,323,840/1,026,541,659.84 - Step 6: Final answer
x = 489,901,545.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.