Finding the Fourth Proportional to 435,917,927.81, 654,183,306.21 and 394,239,962.63
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Solution
The fourth proportional to 435,917,927.81, 654,183,306.21 and 394,239,962.63 is: 591,637,062.26
Step by Step Solution
- Step 1: Write the proportion equation
435,917,927.81 : 654,183,306.21 = 394,239,962.63 : x - Step 2: Convert to fraction form
435,917,927.81/654,183,306.21 = 394,239,962.63/x - Step 3: Cross multiply
435,917,927.81x = 654,183,306.21 × 394,239,962.63 - Step 4: Simplify right side
435,917,927.81x = 257,905,202,196,514,112 - Step 5: Solve for x
x = 257,905,202,196,514,112/435,917,927.81 - Step 6: Final answer
x = 591,637,062.26
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.