Finding the Fourth Proportional to 2,122,950,734.14, 2,929,680,862.08 and 1,170,310,543.78
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Solution
The fourth proportional to 2,122,950,734.14, 2,929,680,862.08 and 1,170,310,543.78 is: 1,615,033,428.56
Step by Step Solution
- Step 1: Write the proportion equation
2,122,950,734.14 : 2,929,680,862.08 = 1,170,310,543.78 : x - Step 2: Convert to fraction form
2,122,950,734.14/2,929,680,862.08 = 1,170,310,543.78/x - Step 3: Cross multiply
2,122,950,734.14x = 2,929,680,862.08 × 1,170,310,543.78 - Step 4: Simplify right side
2,122,950,734.14x = 3,428,636,402,812,725,760 - Step 5: Solve for x
x = 3,428,636,402,812,725,760/2,122,950,734.14 - Step 6: Final answer
x = 1,615,033,428.56
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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.