Finding the Fourth Proportional to 577,368,206.20, 866,052,309.30 and 454,924,199.80
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Solution
The fourth proportional to 577,368,206.20, 866,052,309.30 and 454,924,199.80 is: 682,386,299.70
Step by Step Solution
- Step 1: Write the proportion equation
577,368,206.20 : 866,052,309.30 = 454,924,199.80 : x - Step 2: Convert to fraction form
577,368,206.20/866,052,309.30 = 454,924,199.80/x - Step 3: Cross multiply
577,368,206.20x = 866,052,309.30 × 454,924,199.80 - Step 4: Simplify right side
577,368,206.20x = 393,988,153,793,244,608 - Step 5: Solve for x
x = 393,988,153,793,244,608/577,368,206.20 - Step 6: Final answer
x = 682,386,299.70
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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.