Finding the Fourth Proportional to 1,554,417,738.45, 2,330,133,615.68 and 898,695,652.05
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Solution
The fourth proportional to 1,554,417,738.45, 2,330,133,615.68 and 898,695,652.05 is: 1,347,180,296.07
Step by Step Solution
- Step 1: Write the proportion equation
1,554,417,738.45 : 2,330,133,615.68 = 898,695,652.05 : x - Step 2: Convert to fraction form
1,554,417,738.45/2,330,133,615.68 = 898,695,652.05/x - Step 3: Cross multiply
1,554,417,738.45x = 2,330,133,615.68 × 898,695,652.05 - Step 4: Simplify right side
1,554,417,738.45x = 2,094,080,949,102,668,288 - Step 5: Solve for x
x = 2,094,080,949,102,668,288/1,554,417,738.45 - Step 6: Final answer
x = 1,347,180,296.07
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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.