Finding the Fourth Proportional to 4,220,154,108.37, 5,823,757,720.15 and 2,411,645,400.53
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Solution
The fourth proportional to 4,220,154,108.37, 5,823,757,720.15 and 2,411,645,400.53 is: 3,328,039,251.40
Step by Step Solution
- Step 1: Write the proportion equation
4,220,154,108.37 : 5,823,757,720.15 = 2,411,645,400.53 : x - Step 2: Convert to fraction form
4,220,154,108.37/5,823,757,720.15 = 2,411,645,400.53/x - Step 3: Cross multiply
4,220,154,108.37x = 5,823,757,720.15 × 2,411,645,400.53 - Step 4: Simplify right side
4,220,154,108.37x = 14,044,838,519,600,826,368 - Step 5: Solve for x
x = 14,044,838,519,600,826,368/4,220,154,108.37 - Step 6: Final answer
x = 3,328,039,251.40
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1.5x scale
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.