Finding the Fourth Proportional to 28,035,403,128.62, 42,053,212,519.66 and 6,787,816,359.99
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Solution
The fourth proportional to 28,035,403,128.62, 42,053,212,519.66 and 6,787,816,359.99 is: 10,181,750,646.54
Step by Step Solution
- Step 1: Write the proportion equation
28,035,403,128.62 : 42,053,212,519.66 = 6,787,816,359.99 : x - Step 2: Convert to fraction form
28,035,403,128.62/42,053,212,519.66 = 6,787,816,359.99/x - Step 3: Cross multiply
28,035,403,128.62x = 42,053,212,519.66 × 6,787,816,359.99 - Step 4: Simplify right side
28,035,403,128.62x = 285,449,483,930,924,679,168 - Step 5: Solve for x
x = 285,449,483,930,924,679,168/28,035,403,128.62 - Step 6: Final answer
x = 10,181,750,646.54
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1.5x scale
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.