Finding the Fourth Proportional to 561,361,546.92, 774,639,607.74 and 326,395,537.56
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Solution
The fourth proportional to 561,361,546.92, 774,639,607.74 and 326,395,537.56 is: 450,402,975.71
Step by Step Solution
- Step 1: Write the proportion equation
561,361,546.92 : 774,639,607.74 = 326,395,537.56 : x - Step 2: Convert to fraction form
561,361,546.92/774,639,607.74 = 326,395,537.56/x - Step 3: Cross multiply
561,361,546.92x = 774,639,607.74 × 326,395,537.56 - Step 4: Simplify right side
561,361,546.92x = 252,838,911,183,564,832 - Step 5: Solve for x
x = 252,838,911,183,564,832/561,361,546.92 - Step 6: Final answer
x = 450,402,975.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.