Finding the Fourth Proportional to 7,035,468,920.80, 10,563,617,000.40 and 3,936,241,477.60
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Solution
The fourth proportional to 7,035,468,920.80, 10,563,617,000.40 and 3,936,241,477.60 is: 5,910,188,483.32
Step by Step Solution
- Step 1: Write the proportion equation
7,035,468,920.80 : 10,563,617,000.40 = 3,936,241,477.60 : x - Step 2: Convert to fraction form
7,035,468,920.80/10,563,617,000.40 = 3,936,241,477.60/x - Step 3: Cross multiply
7,035,468,920.80x = 10,563,617,000.40 × 3,936,241,477.60 - Step 4: Simplify right side
7,035,468,920.80x = 41,580,947,390,454,972,416 - Step 5: Solve for x
x = 41,580,947,390,454,972,416/7,035,468,920.80 - Step 6: Final answer
x = 5,910,188,483.32
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1.5x scale
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.