Finding the Fourth Proportional to 464,027,463.68, 640,374,332.64 and 255,199,769.60
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Solution
The fourth proportional to 464,027,463.68, 640,374,332.64 and 255,199,769.60 is: 352,184,719.52
Step by Step Solution
- Step 1: Write the proportion equation
464,027,463.68 : 640,374,332.64 = 255,199,769.60 : x - Step 2: Convert to fraction form
464,027,463.68/640,374,332.64 = 255,199,769.60/x - Step 3: Cross multiply
464,027,463.68x = 640,374,332.64 × 255,199,769.60 - Step 4: Simplify right side
464,027,463.68x = 163,423,382,147,481,760 - Step 5: Solve for x
x = 163,423,382,147,481,760/464,027,463.68 - Step 6: Final answer
x = 352,184,719.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.