Finding the Fourth Proportional to 944,686,137.42, 1,303,926,197.63 and 548,336,816.87
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Solution
The fourth proportional to 944,686,137.42, 1,303,926,197.63 and 548,336,816.87 is: 756,855,332.49
Step by Step Solution
- Step 1: Write the proportion equation
944,686,137.42 : 1,303,926,197.63 = 548,336,816.87 : x - Step 2: Convert to fraction form
944,686,137.42/1,303,926,197.63 = 548,336,816.87/x - Step 3: Cross multiply
944,686,137.42x = 1,303,926,197.63 × 548,336,816.87 - Step 4: Simplify right side
944,686,137.42x = 714,990,740,632,575,488 - Step 5: Solve for x
x = 714,990,740,632,575,488/944,686,137.42 - Step 6: Final answer
x = 756,855,332.49
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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.