Finding the Fourth Proportional to 2,997,154,487.70, 4,487,122,387.35 and 1,834,893,020.70
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Solution
The fourth proportional to 2,997,154,487.70, 4,487,122,387.35 and 1,834,893,020.70 is: 2,747,068,789.87
Step by Step Solution
- Step 1: Write the proportion equation
2,997,154,487.70 : 4,487,122,387.35 = 1,834,893,020.70 : x - Step 2: Convert to fraction form
2,997,154,487.70/4,487,122,387.35 = 1,834,893,020.70/x - Step 3: Cross multiply
2,997,154,487.70x = 4,487,122,387.35 × 1,834,893,020.70 - Step 4: Simplify right side
2,997,154,487.70x = 8,233,389,551,575,237,632 - Step 5: Solve for x
x = 8,233,389,551,575,237,632/2,997,154,487.70 - Step 6: Final answer
x = 2,747,068,789.87
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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.