Finding the Fourth Proportional to 996,454,030.65, 1,375,148,338.43 and 573,068,022.63
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Solution
The fourth proportional to 996,454,030.65, 1,375,148,338.43 and 573,068,022.63 is: 790,857,896.99
Step by Step Solution
- Step 1: Write the proportion equation
996,454,030.65 : 1,375,148,338.43 = 573,068,022.63 : x - Step 2: Convert to fraction form
996,454,030.65/1,375,148,338.43 = 573,068,022.63/x - Step 3: Cross multiply
996,454,030.65x = 1,375,148,338.43 × 573,068,022.63 - Step 4: Simplify right side
996,454,030.65x = 788,053,539,124,144,768 - Step 5: Solve for x
x = 788,053,539,124,144,768/996,454,030.65 - Step 6: Final answer
x = 790,857,896.99
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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.