Finding the Fourth Proportional to 1,135,183,073.67, 1,703,643,719 and 513,834,655.04
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Solution
The fourth proportional to 1,135,183,073.67, 1,703,643,719 and 513,834,655.04 is: 771,145,379.96
Step by Step Solution
- Step 1: Write the proportion equation
1,135,183,073.67 : 1,703,643,719 = 513,834,655.04 : x - Step 2: Convert to fraction form
1,135,183,073.67/1,703,643,719 = 513,834,655.04/x - Step 3: Cross multiply
1,135,183,073.67x = 1,703,643,719 × 513,834,655.04 - Step 4: Simplify right side
1,135,183,073.67x = 875,391,182,666,068,352 - Step 5: Solve for x
x = 875,391,182,666,068,352/1,135,183,073.67 - Step 6: Final answer
x = 771,145,379.96
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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.