Finding the Fourth Proportional to 1,357,554,378.72, 1,873,372,305.84 and 829,802,002.08
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Solution
The fourth proportional to 1,357,554,378.72, 1,873,372,305.84 and 829,802,002.08 is: 1,145,094,527.63
Step by Step Solution
- Step 1: Write the proportion equation
1,357,554,378.72 : 1,873,372,305.84 = 829,802,002.08 : x - Step 2: Convert to fraction form
1,357,554,378.72/1,873,372,305.84 = 829,802,002.08/x - Step 3: Cross multiply
1,357,554,378.72x = 1,873,372,305.84 × 829,802,002.08 - Step 4: Simplify right side
1,357,554,378.72x = 1,554,528,090,027,258,112 - Step 5: Solve for x
x = 1,554,528,090,027,258,112/1,357,554,378.72 - Step 6: Final answer
x = 1,145,094,527.63
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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.