Finding the Fourth Proportional to 1,840,881,938.18, 2,540,400,247.42 and 1,005,506,258.18
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Solution
The fourth proportional to 1,840,881,938.18, 2,540,400,247.42 and 1,005,506,258.18 is: 1,387,589,445.08
Step by Step Solution
- Step 1: Write the proportion equation
1,840,881,938.18 : 2,540,400,247.42 = 1,005,506,258.18 : x - Step 2: Convert to fraction form
1,840,881,938.18/2,540,400,247.42 = 1,005,506,258.18/x - Step 3: Cross multiply
1,840,881,938.18x = 2,540,400,247.42 × 1,005,506,258.18 - Step 4: Simplify right side
1,840,881,938.18x = 2,554,388,347,047,614,464 - Step 5: Solve for x
x = 2,554,388,347,047,614,464/1,840,881,938.18 - Step 6: Final answer
x = 1,387,589,445.08
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Double scale
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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.