Finding the Fourth Proportional to 1,063,013,815.80, 1,594,520,723.70 and 489,704,887.80
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Solution
The fourth proportional to 1,063,013,815.80, 1,594,520,723.70 and 489,704,887.80 is: 734,557,331.70
Step by Step Solution
- Step 1: Write the proportion equation
1,063,013,815.80 : 1,594,520,723.70 = 489,704,887.80 : x - Step 2: Convert to fraction form
1,063,013,815.80/1,594,520,723.70 = 489,704,887.80/x - Step 3: Cross multiply
1,063,013,815.80x = 1,594,520,723.70 × 489,704,887.80 - Step 4: Simplify right side
1,063,013,815.80x = 780,844,592,094,283,392 - Step 5: Solve for x
x = 780,844,592,094,283,392/1,063,013,815.80 - Step 6: Final answer
x = 734,557,331.70
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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.