Finding the Fourth Proportional to 886,140,577.15, 1,329,440,686.27 and 471,276,253.49
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Solution
The fourth proportional to 886,140,577.15, 1,329,440,686.27 and 471,276,253.49 is: 707,036,605.72
Step by Step Solution
- Step 1: Write the proportion equation
886,140,577.15 : 1,329,440,686.27 = 471,276,253.49 : x - Step 2: Convert to fraction form
886,140,577.15/1,329,440,686.27 = 471,276,253.49/x - Step 3: Cross multiply
886,140,577.15x = 1,329,440,686.27 × 471,276,253.49 - Step 4: Simplify right side
886,140,577.15x = 626,533,825,854,674,688 - Step 5: Solve for x
x = 626,533,825,854,674,688/886,140,577.15 - Step 6: Final answer
x = 707,036,605.72
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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.