Finding the Fourth Proportional to 977,745,595.08, 1,352,841,972.12 and 852,558,836.52
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Solution
The fourth proportional to 977,745,595.08, 1,352,841,972.12 and 852,558,836.52 is: 1,179,629,326.43
Step by Step Solution
- Step 1: Write the proportion equation
977,745,595.08 : 1,352,841,972.12 = 852,558,836.52 : x - Step 2: Convert to fraction form
977,745,595.08/1,352,841,972.12 = 852,558,836.52/x - Step 3: Cross multiply
977,745,595.08x = 1,352,841,972.12 × 852,558,836.52 - Step 4: Simplify right side
977,745,595.08x = 1,153,377,377,746,049,280 - Step 5: Solve for x
x = 1,153,377,377,746,049,280/977,745,595.08 - Step 6: Final answer
x = 1,179,629,326.43
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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.