Finding the Fourth Proportional to 374,173,031.95, 516,362,125.25 and 206,920,610.44
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Solution
The fourth proportional to 374,173,031.95, 516,362,125.25 and 206,920,610.44 is: 285,552,290.09
Step by Step Solution
- Step 1: Write the proportion equation
374,173,031.95 : 516,362,125.25 = 206,920,610.44 : x - Step 2: Convert to fraction form
374,173,031.95/516,362,125.25 = 206,920,610.44/x - Step 3: Cross multiply
374,173,031.95x = 516,362,125.25 × 206,920,610.44 - Step 4: Simplify right side
374,173,031.95x = 106,845,966,164,047,984 - Step 5: Solve for x
x = 106,845,966,164,047,984/374,173,031.95 - Step 6: Final answer
x = 285,552,290.09
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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.