Finding the Fourth Proportional to 1,536,122,143.88, 2,303,250,142.58 and 602,326,235.74
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Solution
The fourth proportional to 1,536,122,143.88, 2,303,250,142.58 and 602,326,235.74 is: 903,123,487.85
Step by Step Solution
- Step 1: Write the proportion equation
1,536,122,143.88 : 2,303,250,142.58 = 602,326,235.74 : x - Step 2: Convert to fraction form
1,536,122,143.88/2,303,250,142.58 = 602,326,235.74/x - Step 3: Cross multiply
1,536,122,143.88x = 2,303,250,142.58 × 602,326,235.74 - Step 4: Simplify right side
1,536,122,143.88x = 1,387,307,988,347,829,760 - Step 5: Solve for x
x = 1,387,307,988,347,829,760/1,536,122,143.88 - Step 6: Final answer
x = 903,123,487.85
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1.5x scale
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.