Finding the Fourth Proportional to 944,838,083.60, 1,418,768,779.80 and 715,066,614.80
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Solution
The fourth proportional to 944,838,083.60, 1,418,768,779.80 and 715,066,614.80 is: 1,073,743,963.29
Step by Step Solution
- Step 1: Write the proportion equation
944,838,083.60 : 1,418,768,779.80 = 715,066,614.80 : x - Step 2: Convert to fraction form
944,838,083.60/1,418,768,779.80 = 715,066,614.80/x - Step 3: Cross multiply
944,838,083.60x = 1,418,768,779.80 × 715,066,614.80 - Step 4: Simplify right side
944,838,083.60x = 1,014,514,188,555,512,576 - Step 5: Solve for x
x = 1,014,514,188,555,512,576/944,838,083.60 - Step 6: Final answer
x = 1,073,743,963.29
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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.