Finding the Fourth Proportional to 6,457,482,079.80, 9,686,223,119.70 and 5,641,188,703.80
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Solution
The fourth proportional to 6,457,482,079.80, 9,686,223,119.70 and 5,641,188,703.80 is: 8,461,783,055.70
Step by Step Solution
- Step 1: Write the proportion equation
6,457,482,079.80 : 9,686,223,119.70 = 5,641,188,703.80 : x - Step 2: Convert to fraction form
6,457,482,079.80/9,686,223,119.70 = 5,641,188,703.80/x - Step 3: Cross multiply
6,457,482,079.80x = 9,686,223,119.70 × 5,641,188,703.80 - Step 4: Simplify right side
6,457,482,079.80x = 54,641,812,445,338,042,368 - Step 5: Solve for x
x = 54,641,812,445,338,042,368/6,457,482,079.80 - Step 6: Final answer
x = 8,461,783,055.70
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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.