Finding the Fourth Proportional to 531,130,247.40, 796,695,371.10 and 483,513,133.80
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Solution
The fourth proportional to 531,130,247.40, 796,695,371.10 and 483,513,133.80 is: 725,269,700.70
Step by Step Solution
- Step 1: Write the proportion equation
531,130,247.40 : 796,695,371.10 = 483,513,133.80 : x - Step 2: Convert to fraction form
531,130,247.40/796,695,371.10 = 483,513,133.80/x - Step 3: Cross multiply
531,130,247.40x = 796,695,371.10 × 483,513,133.80 - Step 4: Simplify right side
531,130,247.40x = 385,212,675,564,514,944 - Step 5: Solve for x
x = 385,212,675,564,514,944/531,130,247.40 - Step 6: Final answer
x = 725,269,700.70
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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.