Finding the Fourth Proportional to 864,046,560.96, 1,192,387,392.72 and 467,569,507.68
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Solution
The fourth proportional to 864,046,560.96, 1,192,387,392.72 and 467,569,507.68 is: 645,247,619.02
Step by Step Solution
- Step 1: Write the proportion equation
864,046,560.96 : 1,192,387,392.72 = 467,569,507.68 : x - Step 2: Convert to fraction form
864,046,560.96/1,192,387,392.72 = 467,569,507.68/x - Step 3: Cross multiply
864,046,560.96x = 1,192,387,392.72 × 467,569,507.68 - Step 4: Simplify right side
864,046,560.96x = 557,523,986,177,929,216 - Step 5: Solve for x
x = 557,523,986,177,929,216/864,046,560.96 - Step 6: Final answer
x = 645,247,619.02
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1.5x scale
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.