Finding the Fourth Proportional to 2,642,312,171.24, 3,963,378,491.36 and 677,184,545.96
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Solution
The fourth proportional to 2,642,312,171.24, 3,963,378,491.36 and 677,184,545.96 is: 1,015,753,813.40
Step by Step Solution
- Step 1: Write the proportion equation
2,642,312,171.24 : 3,963,378,491.36 = 677,184,545.96 : x - Step 2: Convert to fraction form
2,642,312,171.24/3,963,378,491.36 = 677,184,545.96/x - Step 3: Cross multiply
2,642,312,171.24x = 3,963,378,491.36 × 677,184,545.96 - Step 4: Simplify right side
2,642,312,171.24x = 2,683,938,664,139,251,712 - Step 5: Solve for x
x = 2,683,938,664,139,251,712/2,642,312,171.24 - Step 6: Final answer
x = 1,015,753,813.40
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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.