Finding the Fourth Proportional to 411,361,054.74, 616,911,965.71 and 134,947,858.14
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Solution
The fourth proportional to 411,361,054.74, 616,911,965.71 and 134,947,858.14 is: 202,379,266.28
Step by Step Solution
- Step 1: Write the proportion equation
411,361,054.74 : 616,911,965.71 = 134,947,858.14 : x - Step 2: Convert to fraction form
411,361,054.74/616,911,965.71 = 134,947,858.14/x - Step 3: Cross multiply
411,361,054.74x = 616,911,965.71 × 134,947,858.14 - Step 4: Simplify right side
411,361,054.74x = 83,250,948,433,164,240 - Step 5: Solve for x
x = 83,250,948,433,164,240/411,361,054.74 - Step 6: Final answer
x = 202,379,266.28
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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.