Finding the Fourth Proportional to 798,361,808.20, 1,197,542,712.30 and 453,182,057.80
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Solution
The fourth proportional to 798,361,808.20, 1,197,542,712.30 and 453,182,057.80 is: 679,773,086.70
Step by Step Solution
- Step 1: Write the proportion equation
798,361,808.20 : 1,197,542,712.30 = 453,182,057.80 : x - Step 2: Convert to fraction form
798,361,808.20/1,197,542,712.30 = 453,182,057.80/x - Step 3: Cross multiply
798,361,808.20x = 1,197,542,712.30 × 453,182,057.80 - Step 4: Simplify right side
798,361,808.20x = 542,704,870,663,507,392 - Step 5: Solve for x
x = 542,704,870,663,507,392/798,361,808.20 - Step 6: Final answer
x = 679,773,086.70
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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.