Finding the Fourth Proportional to 1,485,746,102.40, 2,050,306,635.20 and 816,676,830.08
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Solution
The fourth proportional to 1,485,746,102.40, 2,050,306,635.20 and 816,676,830.08 is: 1,127,001,390.63
Step by Step Solution
- Step 1: Write the proportion equation
1,485,746,102.40 : 2,050,306,635.20 = 816,676,830.08 : x - Step 2: Convert to fraction form
1,485,746,102.40/2,050,306,635.20 = 816,676,830.08/x - Step 3: Cross multiply
1,485,746,102.40x = 2,050,306,635.20 × 816,676,830.08 - Step 4: Simplify right side
1,485,746,102.40x = 1,674,437,923,527,127,040 - Step 5: Solve for x
x = 1,674,437,923,527,127,040/1,485,746,102.40 - Step 6: Final answer
x = 1,127,001,390.63
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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.