Finding the Fourth Proportional to 736,782,643.25, 1,103,412,104.06 and 424,944,853.49
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Solution
The fourth proportional to 736,782,643.25, 1,103,412,104.06 and 424,944,853.49 is: 636,401,113.94
Step by Step Solution
- Step 1: Write the proportion equation
736,782,643.25 : 1,103,412,104.06 = 424,944,853.49 : x - Step 2: Convert to fraction form
736,782,643.25/1,103,412,104.06 = 424,944,853.49/x - Step 3: Cross multiply
736,782,643.25x = 1,103,412,104.06 × 424,944,853.49 - Step 4: Simplify right side
736,782,643.25x = 468,889,294,898,869,312 - Step 5: Solve for x
x = 468,889,294,898,869,312/736,782,643.25 - Step 6: Final answer
x = 636,401,113.94
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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.