Finding the Fourth Proportional to 495,955,790.53, 684,418,790.09 and 272,937,471.45
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Solution
The fourth proportional to 495,955,790.53, 684,418,790.09 and 272,937,471.45 is: 376,653,600.07
Step by Step Solution
- Step 1: Write the proportion equation
495,955,790.53 : 684,418,790.09 = 272,937,471.45 : x - Step 2: Convert to fraction form
495,955,790.53/684,418,790.09 = 272,937,471.45/x - Step 3: Cross multiply
495,955,790.53x = 684,418,790.09 × 272,937,471.45 - Step 4: Simplify right side
495,955,790.53x = 186,803,533,978,148,704 - Step 5: Solve for x
x = 186,803,533,978,148,704/495,955,790.53 - Step 6: Final answer
x = 376,653,600.07
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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.