Finding the Fourth Proportional to 3,725,220,916.21, 5,588,661,937.34 and 1,069,069,939.03
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Solution
The fourth proportional to 3,725,220,916.21, 5,588,661,937.34 and 1,069,069,939.03 is: 1,603,843,264.88
Step by Step Solution
- Step 1: Write the proportion equation
3,725,220,916.21 : 5,588,661,937.34 = 1,069,069,939.03 : x - Step 2: Convert to fraction form
3,725,220,916.21/5,588,661,937.34 = 1,069,069,939.03/x - Step 3: Cross multiply
3,725,220,916.21x = 5,588,661,937.34 × 1,069,069,939.03 - Step 4: Simplify right side
3,725,220,916.21x = 5,974,670,476,631,169,024 - Step 5: Solve for x
x = 5,974,670,476,631,169,024/3,725,220,916.21 - Step 6: Final answer
x = 1,603,843,264.88
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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.