Finding the Fourth Proportional to 1,653,370,758.63, 2,281,650,640.95 and 910,814,821.38
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Solution
The fourth proportional to 1,653,370,758.63, 2,281,650,640.95 and 910,814,821.38 is: 1,256,923,899.34
Step by Step Solution
- Step 1: Write the proportion equation
1,653,370,758.63 : 2,281,650,640.95 = 910,814,821.38 : x - Step 2: Convert to fraction form
1,653,370,758.63/2,281,650,640.95 = 910,814,821.38/x - Step 3: Cross multiply
1,653,370,758.63x = 2,281,650,640.95 × 910,814,821.38 - Step 4: Simplify right side
1,653,370,758.63x = 2,078,161,220,988,436,480 - Step 5: Solve for x
x = 2,078,161,220,988,436,480/1,653,370,758.63 - Step 6: Final answer
x = 1,256,923,899.34
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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.