Finding the Fourth Proportional to 4,626,134,155.20, 6,939,860,120.94 and 1,435,678,349.40
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Solution
The fourth proportional to 4,626,134,155.20, 6,939,860,120.94 and 1,435,678,349.40 is: 2,153,722,004.00
Step by Step Solution
- Step 1: Write the proportion equation
4,626,134,155.20 : 6,939,860,120.94 = 1,435,678,349.40 : x - Step 2: Convert to fraction form
4,626,134,155.20/6,939,860,120.94 = 1,435,678,349.40/x - Step 3: Cross multiply
4,626,134,155.20x = 6,939,860,120.94 × 1,435,678,349.40 - Step 4: Simplify right side
4,626,134,155.20x = 9,963,406,923,498,022,912 - Step 5: Solve for x
x = 9,963,406,923,498,022,912/4,626,134,155.20 - Step 6: Final answer
x = 2,153,722,004.00
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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.