Finding the Fourth Proportional to 966,168,007.70, 1,449,252,011.55 and 239,156,719.70
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Solution
The fourth proportional to 966,168,007.70, 1,449,252,011.55 and 239,156,719.70 is: 358,735,079.55
Step by Step Solution
- Step 1: Write the proportion equation
966,168,007.70 : 1,449,252,011.55 = 239,156,719.70 : x - Step 2: Convert to fraction form
966,168,007.70/1,449,252,011.55 = 239,156,719.70/x - Step 3: Cross multiply
966,168,007.70x = 1,449,252,011.55 × 239,156,719.70 - Step 4: Simplify right side
966,168,007.70x = 346,598,357,100,924,480 - Step 5: Solve for x
x = 346,598,357,100,924,480/966,168,007.70 - Step 6: Final answer
x = 358,735,079.55
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Similar ratio
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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.