Finding the Fourth Proportional to 1,417,179,968.40, 2,125,769,952.60 and 896,792,941.20
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Solution
The fourth proportional to 1,417,179,968.40, 2,125,769,952.60 and 896,792,941.20 is: 1,345,189,411.80
Step by Step Solution
- Step 1: Write the proportion equation
1,417,179,968.40 : 2,125,769,952.60 = 896,792,941.20 : x - Step 2: Convert to fraction form
1,417,179,968.40/2,125,769,952.60 = 896,792,941.20/x - Step 3: Cross multiply
1,417,179,968.40x = 2,125,769,952.60 × 896,792,941.20 - Step 4: Simplify right side
1,417,179,968.40x = 1,906,375,488,106,738,688 - Step 5: Solve for x
x = 1,906,375,488,106,738,688/1,417,179,968.40 - Step 6: Final answer
x = 1,345,189,411.80
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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.