Finding the Fourth Proportional to 784,737,897.12, 1,176,698,121.36 and 370,103,388.84
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Solution
The fourth proportional to 784,737,897.12, 1,176,698,121.36 and 370,103,388.84 is: 554,962,317.93
Step by Step Solution
- Step 1: Write the proportion equation
784,737,897.12 : 1,176,698,121.36 = 370,103,388.84 : x - Step 2: Convert to fraction form
784,737,897.12/1,176,698,121.36 = 370,103,388.84/x - Step 3: Cross multiply
784,737,897.12x = 1,176,698,121.36 × 370,103,388.84 - Step 4: Simplify right side
784,737,897.12x = 435,499,962,356,997,504 - Step 5: Solve for x
x = 435,499,962,356,997,504/784,737,897.12 - Step 6: Final answer
x = 554,962,317.93
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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.