Finding the Fourth Proportional to 513,493,472.88, 770,211,858.36 and 375,460,530.48
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Solution
The fourth proportional to 513,493,472.88, 770,211,858.36 and 375,460,530.48 is: 563,170,065.82
Step by Step Solution
- Step 1: Write the proportion equation
513,493,472.88 : 770,211,858.36 = 375,460,530.48 : x - Step 2: Convert to fraction form
513,493,472.88/770,211,858.36 = 375,460,530.48/x - Step 3: Cross multiply
513,493,472.88x = 770,211,858.36 × 375,460,530.48 - Step 4: Simplify right side
513,493,472.88x = 289,184,152,921,832,256 - Step 5: Solve for x
x = 289,184,152,921,832,256/513,493,472.88 - Step 6: Final answer
x = 563,170,065.82
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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.