Finding the Fourth Proportional to 919,884,705,179.25, 1,378,593,668,134.20 and 715,924,179,585.60
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Solution
The fourth proportional to 919,884,705,179.25, 1,378,593,668,134.20 and 715,924,179,585.60 is: 1,072,926,351,839.45
Step by Step Solution
- Step 1: Write the proportion equation
919,884,705,179.25 : 1,378,593,668,134.20 = 715,924,179,585.60 : x - Step 2: Convert to fraction form
919,884,705,179.25/1,378,593,668,134.20 = 715,924,179,585.60/x - Step 3: Cross multiply
919,884,705,179.25x = 1,378,593,668,134.20 × 715,924,179,585.60 - Step 4: Simplify right side
919,884,705,179.25x = 986,968,540,840,879,953,281,024 - Step 5: Solve for x
x = 986,968,540,840,879,953,281,024/919,884,705,179.25 - Step 6: Final answer
x = 1,072,926,351,839.45
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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.