Finding the Fourth Proportional to 1,658,790,744.70, 2,488,186,117.05 and 1,007,881,807.90
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Solution
The fourth proportional to 1,658,790,744.70, 2,488,186,117.05 and 1,007,881,807.90 is: 1,511,822,711.85
Step by Step Solution
- Step 1: Write the proportion equation
1,658,790,744.70 : 2,488,186,117.05 = 1,007,881,807.90 : x - Step 2: Convert to fraction form
1,658,790,744.70/2,488,186,117.05 = 1,007,881,807.90/x - Step 3: Cross multiply
1,658,790,744.70x = 2,488,186,117.05 × 1,007,881,807.90 - Step 4: Simplify right side
1,658,790,744.70x = 2,507,797,522,044,035,072 - Step 5: Solve for x
x = 2,507,797,522,044,035,072/1,658,790,744.70 - Step 6: Final answer
x = 1,511,822,711.85
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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.