Finding the Fourth Proportional to 527,267,203.88, 791,032,315.20 and 372,124,062.08
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Solution
The fourth proportional to 527,267,203.88, 791,032,315.20 and 372,124,062.08 is: 558,278,907.17
Step by Step Solution
- Step 1: Write the proportion equation
527,267,203.88 : 791,032,315.20 = 372,124,062.08 : x - Step 2: Convert to fraction form
527,267,203.88/791,032,315.20 = 372,124,062.08/x - Step 3: Cross multiply
527,267,203.88x = 791,032,315.20 × 372,124,062.08 - Step 4: Simplify right side
527,267,203.88x = 294,362,158,368,770,944 - Step 5: Solve for x
x = 294,362,158,368,770,944/527,267,203.88 - Step 6: Final answer
x = 558,278,907.17
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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.