Finding the Fourth Proportional to 558,974,160.46, 771,387,400.74 and 324,164,039.68
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Solution
The fourth proportional to 558,974,160.46, 771,387,400.74 and 324,164,039.68 is: 447,348,148.93
Step by Step Solution
- Step 1: Write the proportion equation
558,974,160.46 : 771,387,400.74 = 324,164,039.68 : x - Step 2: Convert to fraction form
558,974,160.46/771,387,400.74 = 324,164,039.68/x - Step 3: Cross multiply
558,974,160.46x = 771,387,400.74 × 324,164,039.68 - Step 4: Simplify right side
558,974,160.46x = 250,056,055,982,133,440 - Step 5: Solve for x
x = 250,056,055,982,133,440/558,974,160.46 - Step 6: Final answer
x = 447,348,148.93
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.