Finding the Fourth Proportional to 798,361,807.20, 1,197,542,710.80 and 453,182,056.80
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Solution
The fourth proportional to 798,361,807.20, 1,197,542,710.80 and 453,182,056.80 is: 679,773,085.20
Step by Step Solution
- Step 1: Write the proportion equation
798,361,807.20 : 1,197,542,710.80 = 453,182,056.80 : x - Step 2: Convert to fraction form
798,361,807.20/1,197,542,710.80 = 453,182,056.80/x - Step 3: Cross multiply
798,361,807.20x = 1,197,542,710.80 × 453,182,056.80 - Step 4: Simplify right side
798,361,807.20x = 542,704,868,786,191,552 - Step 5: Solve for x
x = 542,704,868,786,191,552/798,361,807.20 - Step 6: Final answer
x = 679,773,085.20
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1.5x scale
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.