Finding the Fourth Proportional to 6,389,966,749.80, 9,584,950,124.70 and 5,301,575,581.80
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Solution
The fourth proportional to 6,389,966,749.80, 9,584,950,124.70 and 5,301,575,581.80 is: 7,952,363,372.70
Step by Step Solution
- Step 1: Write the proportion equation
6,389,966,749.80 : 9,584,950,124.70 = 5,301,575,581.80 : x - Step 2: Convert to fraction form
6,389,966,749.80/9,584,950,124.70 = 5,301,575,581.80/x - Step 3: Cross multiply
6,389,966,749.80x = 9,584,950,124.70 × 5,301,575,581.80 - Step 4: Simplify right side
6,389,966,749.80x = 50,815,337,533,880,393,728 - Step 5: Solve for x
x = 50,815,337,533,880,393,728/6,389,966,749.80 - Step 6: Final answer
x = 7,952,363,372.70
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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.