Finding the Fourth Proportional to 764,134,460.70, 1,146,426,572.97 and 246,555,191.58
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Solution
The fourth proportional to 764,134,460.70, 1,146,426,572.97 and 246,555,191.58 is: 369,905,347.64
Step by Step Solution
- Step 1: Write the proportion equation
764,134,460.70 : 1,146,426,572.97 = 246,555,191.58 : x - Step 2: Convert to fraction form
764,134,460.70/1,146,426,572.97 = 246,555,191.58/x - Step 3: Cross multiply
764,134,460.70x = 1,146,426,572.97 × 246,555,191.58 - Step 4: Simplify right side
764,134,460.70x = 282,657,423,331,021,216 - Step 5: Solve for x
x = 282,657,423,331,021,216/764,134,460.70 - Step 6: Final answer
x = 369,905,347.64
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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.