Finding the Fourth Proportional to 930,362,635.90, 1,283,909,048.04 and 512,689,868.38
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Solution
The fourth proportional to 930,362,635.90, 1,283,909,048.04 and 512,689,868.38 is: 707,516,763.30
Step by Step Solution
- Step 1: Write the proportion equation
930,362,635.90 : 1,283,909,048.04 = 512,689,868.38 : x - Step 2: Convert to fraction form
930,362,635.90/1,283,909,048.04 = 512,689,868.38/x - Step 3: Cross multiply
930,362,635.90x = 1,283,909,048.04 × 512,689,868.38 - Step 4: Simplify right side
930,362,635.90x = 658,247,160,851,518,720 - Step 5: Solve for x
x = 658,247,160,851,518,720/930,362,635.90 - Step 6: Final answer
x = 707,516,763.30
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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.