Finding the Fourth Proportional to 2,911,041,271.72, 4,365,918,953.34 and 840,313,069.48
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Solution
The fourth proportional to 2,911,041,271.72, 4,365,918,953.34 and 840,313,069.48 is: 1,260,284,006.42
Step by Step Solution
- Step 1: Write the proportion equation
2,911,041,271.72 : 4,365,918,953.34 = 840,313,069.48 : x - Step 2: Convert to fraction form
2,911,041,271.72/4,365,918,953.34 = 840,313,069.48/x - Step 3: Cross multiply
2,911,041,271.72x = 4,365,918,953.34 × 840,313,069.48 - Step 4: Simplify right side
2,911,041,271.72x = 3,668,738,756,782,044,672 - Step 5: Solve for x
x = 3,668,738,756,782,044,672/2,911,041,271.72 - Step 6: Final answer
x = 1,260,284,006.42
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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.