Finding the Fourth Proportional to 800,583,852.48, 1,104,236,183.61 and 734,717,069.52
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Solution
The fourth proportional to 800,583,852.48, 1,104,236,183.61 and 734,717,069.52 is: 1,013,386,880.55
Step by Step Solution
- Step 1: Write the proportion equation
800,583,852.48 : 1,104,236,183.61 = 734,717,069.52 : x - Step 2: Convert to fraction form
800,583,852.48/1,104,236,183.61 = 734,717,069.52/x - Step 3: Cross multiply
800,583,852.48x = 1,104,236,183.61 × 734,717,069.52 - Step 4: Simplify right side
800,583,852.48x = 811,301,172,879,887,744 - Step 5: Solve for x
x = 811,301,172,879,887,744/800,583,852.48 - Step 6: Final answer
x = 1,013,386,880.55
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1.5x scale
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.