Finding the Fourth Proportional to 836,506,654.38, 1,154,372,799.61 and 460,155,138.27
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Solution
The fourth proportional to 836,506,654.38, 1,154,372,799.61 and 460,155,138.27 is: 635,010,579.34
Step by Step Solution
- Step 1: Write the proportion equation
836,506,654.38 : 1,154,372,799.61 = 460,155,138.27 : x - Step 2: Convert to fraction form
836,506,654.38/1,154,372,799.61 = 460,155,138.27/x - Step 3: Cross multiply
836,506,654.38x = 1,154,372,799.61 × 460,155,138.27 - Step 4: Simplify right side
836,506,654.38x = 531,190,575,219,666,496 - Step 5: Solve for x
x = 531,190,575,219,666,496/836,506,654.38 - Step 6: Final answer
x = 635,010,579.34
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1.5x scale
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.