Finding the Fourth Proportional to 3,185,461,708.17, 4,778,207,676.23 and 974,667,895.35
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Solution
The fourth proportional to 3,185,461,708.17, 4,778,207,676.23 and 974,667,895.35 is: 1,462,006,467.50
Step by Step Solution
- Step 1: Write the proportion equation
3,185,461,708.17 : 4,778,207,676.23 = 974,667,895.35 : x - Step 2: Convert to fraction form
3,185,461,708.17/4,778,207,676.23 = 974,667,895.35/x - Step 3: Cross multiply
3,185,461,708.17x = 4,778,207,676.23 × 974,667,895.35 - Step 4: Simplify right side
3,185,461,708.17x = 4,657,165,619,331,435,520 - Step 5: Solve for x
x = 4,657,165,619,331,435,520/3,185,461,708.17 - Step 6: Final answer
x = 1,462,006,467.50
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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.