Finding the Fourth Proportional to 410,372,313.12, 615,559,707.36 and 99,478,709.28
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Solution
The fourth proportional to 410,372,313.12, 615,559,707.36 and 99,478,709.28 is: 149,218,363.95
Step by Step Solution
- Step 1: Write the proportion equation
410,372,313.12 : 615,559,707.36 = 99,478,709.28 : x - Step 2: Convert to fraction form
410,372,313.12/615,559,707.36 = 99,478,709.28/x - Step 3: Cross multiply
410,372,313.12x = 615,559,707.36 × 99,478,709.28 - Step 4: Simplify right side
410,372,313.12x = 61,235,085,172,947,320 - Step 5: Solve for x
x = 61,235,085,172,947,320/410,372,313.12 - Step 6: Final answer
x = 149,218,363.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.