Finding the Fourth Proportional to 499,434,864.42, 749,224,078.07 and 154,415,395.61
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Solution
The fourth proportional to 499,434,864.42, 749,224,078.07 and 154,415,395.61 is: 231,645,286.81
Step by Step Solution
- Step 1: Write the proportion equation
499,434,864.42 : 749,224,078.07 = 154,415,395.61 : x - Step 2: Convert to fraction form
499,434,864.42/749,224,078.07 = 154,415,395.61/x - Step 3: Cross multiply
499,434,864.42x = 749,224,078.07 × 154,415,395.61 - Step 4: Simplify right side
499,434,864.42x = 115,691,732,411,198,384 - Step 5: Solve for x
x = 115,691,732,411,198,384/499,434,864.42 - Step 6: Final answer
x = 231,645,286.81
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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.