Finding the Fourth Proportional to 807,206,350.68, 1,113,944,721.30 and 435,928,346.28
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Solution
The fourth proportional to 807,206,350.68, 1,113,944,721.30 and 435,928,346.28 is: 601,581,094.84
Step by Step Solution
- Step 1: Write the proportion equation
807,206,350.68 : 1,113,944,721.30 = 435,928,346.28 : x - Step 2: Convert to fraction form
807,206,350.68/1,113,944,721.30 = 435,928,346.28/x - Step 3: Cross multiply
807,206,350.68x = 1,113,944,721.30 × 435,928,346.28 - Step 4: Simplify right side
807,206,350.68x = 485,600,080,203,644,416 - Step 5: Solve for x
x = 485,600,080,203,644,416/807,206,350.68 - Step 6: Final answer
x = 601,581,094.84
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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.