Finding the Fourth Proportional to 409,701,656.80, 614,552,485.20 and 366,654,935.80
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Solution
The fourth proportional to 409,701,656.80, 614,552,485.20 and 366,654,935.80 is: 549,982,403.70
Step by Step Solution
- Step 1: Write the proportion equation
409,701,656.80 : 614,552,485.20 = 366,654,935.80 : x - Step 2: Convert to fraction form
409,701,656.80/614,552,485.20 = 366,654,935.80/x - Step 3: Cross multiply
409,701,656.80x = 614,552,485.20 × 366,654,935.80 - Step 4: Simplify right side
409,701,656.80x = 225,328,702,006,736,480 - Step 5: Solve for x
x = 225,328,702,006,736,480/409,701,656.80 - Step 6: Final answer
x = 549,982,403.70
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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.