Finding the Fourth Proportional to 1,558,739,577.88, 2,151,043,492.71 and 844,257,355.91
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Solution
The fourth proportional to 1,558,739,577.88, 2,151,043,492.71 and 844,257,355.91 is: 1,165,065,875.89
Step by Step Solution
- Step 1: Write the proportion equation
1,558,739,577.88 : 2,151,043,492.71 = 844,257,355.91 : x - Step 2: Convert to fraction form
1,558,739,577.88/2,151,043,492.71 = 844,257,355.91/x - Step 3: Cross multiply
1,558,739,577.88x = 2,151,043,492.71 × 844,257,355.91 - Step 4: Simplify right side
1,558,739,577.88x = 1,816,034,291,592,000,768 - Step 5: Solve for x
x = 1,816,034,291,592,000,768/1,558,739,577.88 - Step 6: Final answer
x = 1,165,065,875.89
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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.