Finding the Fourth Proportional to 1,748,818,235.81, 2,413,363,306.28 and 955,863,755.63
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Solution
The fourth proportional to 1,748,818,235.81, 2,413,363,306.28 and 955,863,755.63 is: 1,319,088,780.30
Step by Step Solution
- Step 1: Write the proportion equation
1,748,818,235.81 : 2,413,363,306.28 = 955,863,755.63 : x - Step 2: Convert to fraction form
1,748,818,235.81/2,413,363,306.28 = 955,863,755.63/x - Step 3: Cross multiply
1,748,818,235.81x = 2,413,363,306.28 × 955,863,755.63 - Step 4: Simplify right side
1,748,818,235.81x = 2,306,846,513,640,435,200 - Step 5: Solve for x
x = 2,306,846,513,640,435,200/1,748,818,235.81 - Step 6: Final answer
x = 1,319,088,780.30
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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.