Finding the Fourth Proportional to 958,323,434.68, 1,322,486,329.62 and 518,290,286.68
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Solution
The fourth proportional to 958,323,434.68, 1,322,486,329.62 and 518,290,286.68 is: 715,240,590.08
Step by Step Solution
- Step 1: Write the proportion equation
958,323,434.68 : 1,322,486,329.62 = 518,290,286.68 : x - Step 2: Convert to fraction form
958,323,434.68/1,322,486,329.62 = 518,290,286.68/x - Step 3: Cross multiply
958,323,434.68x = 1,322,486,329.62 × 518,290,286.68 - Step 4: Simplify right side
958,323,434.68x = 685,431,818,909,130,752 - Step 5: Solve for x
x = 685,431,818,909,130,752/958,323,434.68 - Step 6: Final answer
x = 715,240,590.08
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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.