Finding the Fourth Proportional to 1,345,262,905.80, 2,017,894,358.70 and 996,584,465.70
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Solution
The fourth proportional to 1,345,262,905.80, 2,017,894,358.70 and 996,584,465.70 is: 1,494,876,698.55
Step by Step Solution
- Step 1: Write the proportion equation
1,345,262,905.80 : 2,017,894,358.70 = 996,584,465.70 : x - Step 2: Convert to fraction form
1,345,262,905.80/2,017,894,358.70 = 996,584,465.70/x - Step 3: Cross multiply
1,345,262,905.80x = 2,017,894,358.70 × 996,584,465.70 - Step 4: Simplify right side
1,345,262,905.80x = 2,011,002,171,304,083,712 - Step 5: Solve for x
x = 2,011,002,171,304,083,712/1,345,262,905.80 - Step 6: Final answer
x = 1,494,876,698.55
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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.