Finding the Fourth Proportional to 430,805,177.84, 645,981,018.60 and 294,529,533.68
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Solution
The fourth proportional to 430,805,177.84, 645,981,018.60 and 294,529,533.68 is: 441,639,279.10
Step by Step Solution
- Step 1: Write the proportion equation
430,805,177.84 : 645,981,018.60 = 294,529,533.68 : x - Step 2: Convert to fraction form
430,805,177.84/645,981,018.60 = 294,529,533.68/x - Step 3: Cross multiply
430,805,177.84x = 645,981,018.60 × 294,529,533.68 - Step 4: Simplify right side
430,805,177.84x = 190,260,488,174,389,408 - Step 5: Solve for x
x = 190,260,488,174,389,408/430,805,177.84 - Step 6: Final answer
x = 441,639,279.10
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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.