Finding the Fourth Proportional to 489,696,031.80, 734,544,047.70 and 166,579,903.80
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Solution
The fourth proportional to 489,696,031.80, 734,544,047.70 and 166,579,903.80 is: 249,869,855.70
Step by Step Solution
- Step 1: Write the proportion equation
489,696,031.80 : 734,544,047.70 = 166,579,903.80 : x - Step 2: Convert to fraction form
489,696,031.80/734,544,047.70 = 166,579,903.80/x - Step 3: Cross multiply
489,696,031.80x = 734,544,047.70 × 166,579,903.80 - Step 4: Simplify right side
489,696,031.80x = 122,360,276,802,728,624 - Step 5: Solve for x
x = 122,360,276,802,728,624/489,696,031.80 - Step 6: Final answer
x = 249,869,855.70
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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.