Finding the Fourth Proportional to 1,502,683,509.99, 2,073,705,683.30 and 833,628,572.17
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Solution
The fourth proportional to 1,502,683,509.99, 2,073,705,683.30 and 833,628,572.17 is: 1,150,408,782.94
Step by Step Solution
- Step 1: Write the proportion equation
1,502,683,509.99 : 2,073,705,683.30 = 833,628,572.17 : x - Step 2: Convert to fraction form
1,502,683,509.99/2,073,705,683.30 = 833,628,572.17/x - Step 3: Cross multiply
1,502,683,509.99x = 2,073,705,683.30 × 833,628,572.17 - Step 4: Simplify right side
1,502,683,509.99x = 1,728,700,307,870,193,152 - Step 5: Solve for x
x = 1,728,700,307,870,193,152/1,502,683,509.99 - Step 6: Final answer
x = 1,150,408,782.94
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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.