Finding the Fourth Proportional to 448,663,420.18, 672,995,130.28 and 448,663,420.18
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Solution
The fourth proportional to 448,663,420.18, 672,995,130.28 and 448,663,420.18 is: 672,995,130.28
Step by Step Solution
- Step 1: Write the proportion equation
448,663,420.18 : 672,995,130.28 = 448,663,420.18 : x - Step 2: Convert to fraction form
448,663,420.18/672,995,130.28 = 448,663,420.18/x - Step 3: Cross multiply
448,663,420.18x = 672,995,130.28 × 448,663,420.18 - Step 4: Simplify right side
448,663,420.18x = 301,948,296,915,909,504 - Step 5: Solve for x
x = 301,948,296,915,909,504/448,663,420.18 - Step 6: Final answer
x = 672,995,130.28
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1.5x scale
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.