Finding the Fourth Proportional to 1,787,235,683.42, 2,466,407,556.63 and 983,555,644.70
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Solution
The fourth proportional to 1,787,235,683.42, 2,466,407,556.63 and 983,555,644.70 is: 1,357,319,069.31
Step by Step Solution
- Step 1: Write the proportion equation
1,787,235,683.42 : 2,466,407,556.63 = 983,555,644.70 : x - Step 2: Convert to fraction form
1,787,235,683.42/2,466,407,556.63 = 983,555,644.70/x - Step 3: Cross multiply
1,787,235,683.42x = 2,466,407,556.63 × 983,555,644.70 - Step 4: Simplify right side
1,787,235,683.42x = 2,425,849,074,441,839,616 - Step 5: Solve for x
x = 2,425,849,074,441,839,616/1,787,235,683.42 - Step 6: Final answer
x = 1,357,319,069.31
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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.