Finding the Fourth Proportional to 673,918,101.02, 1,010,985,775.37 and 207,579,308.09
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Solution
The fourth proportional to 673,918,101.02, 1,010,985,775.37 and 207,579,308.09 is: 311,402,420.30
Step by Step Solution
- Step 1: Write the proportion equation
673,918,101.02 : 1,010,985,775.37 = 207,579,308.09 : x - Step 2: Convert to fraction form
673,918,101.02/1,010,985,775.37 = 207,579,308.09/x - Step 3: Cross multiply
673,918,101.02x = 1,010,985,775.37 × 207,579,308.09 - Step 4: Simplify right side
673,918,101.02x = 209,859,727,740,136,768 - Step 5: Solve for x
x = 209,859,727,740,136,768/673,918,101.02 - Step 6: Final answer
x = 311,402,420.30
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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.