Finding the Fourth Proportional to 2,329,949,330.90, 3,215,308,346.61 and 1,272,676,898.42
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Solution
The fourth proportional to 2,329,949,330.90, 3,215,308,346.61 and 1,272,676,898.42 is: 1,756,282,250.33
Step by Step Solution
- Step 1: Write the proportion equation
2,329,949,330.90 : 3,215,308,346.61 = 1,272,676,898.42 : x - Step 2: Convert to fraction form
2,329,949,330.90/3,215,308,346.61 = 1,272,676,898.42/x - Step 3: Cross multiply
2,329,949,330.90x = 3,215,308,346.61 × 1,272,676,898.42 - Step 4: Simplify right side
2,329,949,330.90x = 4,092,048,654,027,553,792 - Step 5: Solve for x
x = 4,092,048,654,027,553,792/2,329,949,330.90 - Step 6: Final answer
x = 1,756,282,250.33
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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.