Finding the Fourth Proportional to 266,118,220.40, 399,177,330.60 and 93,593,663.60
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Solution
The fourth proportional to 266,118,220.40, 399,177,330.60 and 93,593,663.60 is: 140,390,495.40
Step by Step Solution
- Step 1: Write the proportion equation
266,118,220.40 : 399,177,330.60 = 93,593,663.60 : x - Step 2: Convert to fraction form
266,118,220.40/399,177,330.60 = 93,593,663.60/x - Step 3: Cross multiply
266,118,220.40x = 399,177,330.60 × 93,593,663.60 - Step 4: Simplify right side
266,118,220.40x = 37,360,468,796,922,384 - Step 5: Solve for x
x = 37,360,468,796,922,384/266,118,220.40 - Step 6: Final answer
x = 140,390,495.40
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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.