Finding the Fourth Proportional to 489,395,880.24, 674,896,860 and 328,822,984.08
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Solution
The fourth proportional to 489,395,880.24, 674,896,860 and 328,822,984.08 is: 453,460,293.42
Step by Step Solution
- Step 1: Write the proportion equation
489,395,880.24 : 674,896,860 = 328,822,984.08 : x - Step 2: Convert to fraction form
489,395,880.24/674,896,860 = 328,822,984.08/x - Step 3: Cross multiply
489,395,880.24x = 674,896,860 × 328,822,984.08 - Step 4: Simplify right side
489,395,880.24x = 221,921,599,451,421,984 - Step 5: Solve for x
x = 221,921,599,451,421,984/489,395,880.24 - Step 6: Final answer
x = 453,460,293.42
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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.