Finding the Fourth Proportional to 2,125,391,334.23, 2,934,101,913.95 and 1,321,877,826.99
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Solution
The fourth proportional to 2,125,391,334.23, 2,934,101,913.95 and 1,321,877,826.99 is: 1,824,851,828.33
Step by Step Solution
- Step 1: Write the proportion equation
2,125,391,334.23 : 2,934,101,913.95 = 1,321,877,826.99 : x - Step 2: Convert to fraction form
2,125,391,334.23/2,934,101,913.95 = 1,321,877,826.99/x - Step 3: Cross multiply
2,125,391,334.23x = 2,934,101,913.95 × 1,321,877,826.99 - Step 4: Simplify right side
2,125,391,334.23x = 3,878,524,262,182,730,752 - Step 5: Solve for x
x = 3,878,524,262,182,730,752/2,125,391,334.23 - Step 6: Final answer
x = 1,824,851,828.33
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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.