Finding the Fourth Proportional to 1,833,290,395.62, 2,750,132,386.24 and 784,137,560.82
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Solution
The fourth proportional to 1,833,290,395.62, 2,750,132,386.24 and 784,137,560.82 is: 1,176,290,513.73
Step by Step Solution
- Step 1: Write the proportion equation
1,833,290,395.62 : 2,750,132,386.24 = 784,137,560.82 : x - Step 2: Convert to fraction form
1,833,290,395.62/2,750,132,386.24 = 784,137,560.82/x - Step 3: Cross multiply
1,833,290,395.62x = 2,750,132,386.24 × 784,137,560.82 - Step 4: Simplify right side
1,833,290,395.62x = 2,156,482,101,278,319,616 - Step 5: Solve for x
x = 2,156,482,101,278,319,616/1,833,290,395.62 - Step 6: Final answer
x = 1,176,290,513.73
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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.