Finding the Fourth Proportional to 1,809,158,074.16, 2,712,965,857.44 and 688,490,501.36
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Solution
The fourth proportional to 1,809,158,074.16, 2,712,965,857.44 and 688,490,501.36 is: 1,032,442,244.84
Step by Step Solution
- Step 1: Write the proportion equation
1,809,158,074.16 : 2,712,965,857.44 = 688,490,501.36 : x - Step 2: Convert to fraction form
1,809,158,074.16/2,712,965,857.44 = 688,490,501.36/x - Step 3: Cross multiply
1,809,158,074.16x = 2,712,965,857.44 × 688,490,501.36 - Step 4: Simplify right side
1,809,158,074.16x = 1,867,851,223,361,427,968 - Step 5: Solve for x
x = 1,867,851,223,361,427,968/1,809,158,074.16 - Step 6: Final answer
x = 1,032,442,244.84
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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.