Finding the Fourth Proportional to 2,880,801,663.87, 3,975,510,330.15 and 1,560,702,219.87
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Solution
The fourth proportional to 2,880,801,663.87, 3,975,510,330.15 and 1,560,702,219.87 is: 2,153,771,248.88
Step by Step Solution
- Step 1: Write the proportion equation
2,880,801,663.87 : 3,975,510,330.15 = 1,560,702,219.87 : x - Step 2: Convert to fraction form
2,880,801,663.87/3,975,510,330.15 = 1,560,702,219.87/x - Step 3: Cross multiply
2,880,801,663.87x = 3,975,510,330.15 × 1,560,702,219.87 - Step 4: Simplify right side
2,880,801,663.87x = 6,204,587,797,381,221,376 - Step 5: Solve for x
x = 6,204,587,797,381,221,376/2,880,801,663.87 - Step 6: Final answer
x = 2,153,771,248.88
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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.