Finding the Fourth Proportional to 5,157,009,640.80, 7,735,514,461.20 and 1,476,514,995.30
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Solution
The fourth proportional to 5,157,009,640.80, 7,735,514,461.20 and 1,476,514,995.30 is: 2,214,772,492.95
Step by Step Solution
- Step 1: Write the proportion equation
5,157,009,640.80 : 7,735,514,461.20 = 1,476,514,995.30 : x - Step 2: Convert to fraction form
5,157,009,640.80/7,735,514,461.20 = 1,476,514,995.30/x - Step 3: Cross multiply
5,157,009,640.80x = 7,735,514,461.20 × 1,476,514,995.30 - Step 4: Simplify right side
5,157,009,640.80x = 11,421,603,098,321,799,168 - Step 5: Solve for x
x = 11,421,603,098,321,799,168/5,157,009,640.80 - Step 6: Final answer
x = 2,214,772,492.95
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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.