Finding the Fourth Proportional to 4,340,758,766.80, 6,511,536,281.40 and 1,432,720,008.40
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Solution
The fourth proportional to 4,340,758,766.80, 6,511,536,281.40 and 1,432,720,008.40 is: 2,149,211,420.62
Step by Step Solution
- Step 1: Write the proportion equation
4,340,758,766.80 : 6,511,536,281.40 = 1,432,720,008.40 : x - Step 2: Convert to fraction form
4,340,758,766.80/6,511,536,281.40 = 1,432,720,008.40/x - Step 3: Cross multiply
4,340,758,766.80x = 6,511,536,281.40 × 1,432,720,008.40 - Step 4: Simplify right side
4,340,758,766.80x = 9,329,208,315,784,312,832 - Step 5: Solve for x
x = 9,329,208,315,784,312,832/4,340,758,766.80 - Step 6: Final answer
x = 2,149,211,420.62
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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.