Finding the Fourth Proportional to 42,375,845,624.93, 63,541,697,324.49 and 19,985,582,176.46
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Solution
The fourth proportional to 42,375,845,624.93, 63,541,697,324.49 and 19,985,582,176.46 is: 29,967,963,937.53
Step by Step Solution
- Step 1: Write the proportion equation
42,375,845,624.93 : 63,541,697,324.49 = 19,985,582,176.46 : x - Step 2: Convert to fraction form
42,375,845,624.93/63,541,697,324.49 = 19,985,582,176.46/x - Step 3: Cross multiply
42,375,845,624.93x = 63,541,697,324.49 × 19,985,582,176.46 - Step 4: Simplify right side
42,375,845,624.93x = 1,269,917,813,510,343,229,440 - Step 5: Solve for x
x = 1,269,917,813,510,343,229,440/42,375,845,624.93 - Step 6: Final answer
x = 29,967,963,937.53
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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.