Finding the Fourth Proportional to 275,219,756.88, 379,803,154.62 and 151,460,434.08
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Solution
The fourth proportional to 275,219,756.88, 379,803,154.62 and 151,460,434.08 is: 209,015,338.56
Step by Step Solution
- Step 1: Write the proportion equation
275,219,756.88 : 379,803,154.62 = 151,460,434.08 : x - Step 2: Convert to fraction form
275,219,756.88/379,803,154.62 = 151,460,434.08/x - Step 3: Cross multiply
275,219,756.88x = 379,803,154.62 × 151,460,434.08 - Step 4: Simplify right side
275,219,756.88x = 57,525,150,663,698,560 - Step 5: Solve for x
x = 57,525,150,663,698,560/275,219,756.88 - Step 6: Final answer
x = 209,015,338.56
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.