Finding the Fourth Proportional to 1,544,697,718.40, 2,319,733,963.20 and 819,103,606.40
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Solution
The fourth proportional to 1,544,697,718.40, 2,319,733,963.20 and 819,103,606.40 is: 1,230,080,443.90
Step by Step Solution
- Step 1: Write the proportion equation
1,544,697,718.40 : 2,319,733,963.20 = 819,103,606.40 : x - Step 2: Convert to fraction form
1,544,697,718.40/2,319,733,963.20 = 819,103,606.40/x - Step 3: Cross multiply
1,544,697,718.40x = 2,319,733,963.20 × 819,103,606.40 - Step 4: Simplify right side
1,544,697,718.40x = 1,900,102,455,145,684,736 - Step 5: Solve for x
x = 1,900,102,455,145,684,736/1,544,697,718.40 - Step 6: Final answer
x = 1,230,080,443.90
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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.