Finding the Fourth Proportional to 7,558,293,487.70, 11,337,440,231.55 and 6,670,574,441.30
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Solution
The fourth proportional to 7,558,293,487.70, 11,337,440,231.55 and 6,670,574,441.30 is: 10,005,861,661.95
Step by Step Solution
- Step 1: Write the proportion equation
7,558,293,487.70 : 11,337,440,231.55 = 6,670,574,441.30 : x - Step 2: Convert to fraction form
7,558,293,487.70/11,337,440,231.55 = 6,670,574,441.30/x - Step 3: Cross multiply
7,558,293,487.70x = 11,337,440,231.55 × 6,670,574,441.30 - Step 4: Simplify right side
7,558,293,487.70x = 75,627,239,038,343,774,208 - Step 5: Solve for x
x = 75,627,239,038,343,774,208/7,558,293,487.70 - Step 6: Final answer
x = 10,005,861,661.95
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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.