Finding the Fourth Proportional to 538,164,017.60, 753,939,808 and 538,164,017.60
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Solution
The fourth proportional to 538,164,017.60, 753,939,808 and 538,164,017.60 is: 753,939,808
Step by Step Solution
- Step 1: Write the proportion equation
538,164,017.60 : 753,939,808 = 538,164,017.60 : x - Step 2: Convert to fraction form
538,164,017.60/753,939,808 = 538,164,017.60/x - Step 3: Cross multiply
538,164,017.60x = 753,939,808 × 538,164,017.60 - Step 4: Simplify right side
538,164,017.60x = 405,743,276,101,852,608 - Step 5: Solve for x
x = 405,743,276,101,852,608/538,164,017.60 - Step 6: Final answer
x = 753,939,808
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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.