Finding the Fourth Proportional to 2,393,006,103.93, 3,302,899,421.76 and 1,403,250,385.53
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Solution
The fourth proportional to 2,393,006,103.93, 3,302,899,421.76 and 1,403,250,385.53 is: 1,936,808,635.52
Step by Step Solution
- Step 1: Write the proportion equation
2,393,006,103.93 : 3,302,899,421.76 = 1,403,250,385.53 : x - Step 2: Convert to fraction form
2,393,006,103.93/3,302,899,421.76 = 1,403,250,385.53/x - Step 3: Cross multiply
2,393,006,103.93x = 3,302,899,421.76 × 1,403,250,385.53 - Step 4: Simplify right side
2,393,006,103.93x = 4,634,794,886,944,518,144 - Step 5: Solve for x
x = 4,634,794,886,944,518,144/2,393,006,103.93 - Step 6: Final answer
x = 1,936,808,635.52
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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.