Finding the Fourth Proportional to 288,687,629.70, 433,031,444.55 and 288,687,629.70
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Solution
The fourth proportional to 288,687,629.70, 433,031,444.55 and 288,687,629.70 is: 433,031,444.55
Step by Step Solution
- Step 1: Write the proportion equation
288,687,629.70 : 433,031,444.55 = 288,687,629.70 : x - Step 2: Convert to fraction form
288,687,629.70/433,031,444.55 = 288,687,629.70/x - Step 3: Cross multiply
288,687,629.70x = 433,031,444.55 × 288,687,629.70 - Step 4: Simplify right side
288,687,629.70x = 125,010,821,312,706,480 - Step 5: Solve for x
x = 125,010,821,312,706,480/288,687,629.70 - Step 6: Final answer
x = 433,031,444.55
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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.