Finding the Fourth Proportional to 7,792,903,925.46, 11,688,174,803.99 and 2,120,934,438.05
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Solution
The fourth proportional to 7,792,903,925.46, 11,688,174,803.99 and 2,120,934,438.05 is: 3,181,080,210.51
Step by Step Solution
- Step 1: Write the proportion equation
7,792,903,925.46 : 11,688,174,803.99 = 2,120,934,438.05 : x - Step 2: Convert to fraction form
7,792,903,925.46/11,688,174,803.99 = 2,120,934,438.05/x - Step 3: Cross multiply
7,792,903,925.46x = 11,688,174,803.99 × 2,120,934,438.05 - Step 4: Simplify right side
7,792,903,925.46x = 24,789,852,459,661,656,064 - Step 5: Solve for x
x = 24,789,852,459,661,656,064/7,792,903,925.46 - Step 6: Final answer
x = 3,181,080,210.51
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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.