Finding the Fourth Proportional to 636,963,773.76, 955,001,465.01 and 282,245,130.09
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Solution
The fourth proportional to 636,963,773.76, 955,001,465.01 and 282,245,130.09 is: 423,170,867.53
Step by Step Solution
- Step 1: Write the proportion equation
636,963,773.76 : 955,001,465.01 = 282,245,130.09 : x - Step 2: Convert to fraction form
636,963,773.76/955,001,465.01 = 282,245,130.09/x - Step 3: Cross multiply
636,963,773.76x = 955,001,465.01 × 282,245,130.09 - Step 4: Simplify right side
636,963,773.76x = 269,544,512,727,888,000 - Step 5: Solve for x
x = 269,544,512,727,888,000/636,963,773.76 - Step 6: Final answer
x = 423,170,867.53
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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.