Finding the Fourth Proportional to 898,346,217.60, 1,347,519,326.40 and 438,047,452.80
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Solution
The fourth proportional to 898,346,217.60, 1,347,519,326.40 and 438,047,452.80 is: 657,071,179.20
Step by Step Solution
- Step 1: Write the proportion equation
898,346,217.60 : 1,347,519,326.40 = 438,047,452.80 : x - Step 2: Convert to fraction form
898,346,217.60/1,347,519,326.40 = 438,047,452.80/x - Step 3: Cross multiply
898,346,217.60x = 1,347,519,326.40 × 438,047,452.80 - Step 4: Simplify right side
898,346,217.60x = 590,277,408,528,291,840 - Step 5: Solve for x
x = 590,277,408,528,291,840/898,346,217.60 - Step 6: Final answer
x = 657,071,179.20
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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.