Finding the Fourth Proportional to 899,540,962.81, 1,349,036,515.58 and 317,139,005.84
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Solution
The fourth proportional to 899,540,962.81, 1,349,036,515.58 and 317,139,005.84 is: 475,611,580.89
Step by Step Solution
- Step 1: Write the proportion equation
899,540,962.81 : 1,349,036,515.58 = 317,139,005.84 : x - Step 2: Convert to fraction form
899,540,962.81/1,349,036,515.58 = 317,139,005.84/x - Step 3: Cross multiply
899,540,962.81x = 1,349,036,515.58 × 317,139,005.84 - Step 4: Simplify right side
899,540,962.81x = 427,832,099,392,898,816 - Step 5: Solve for x
x = 427,832,099,392,898,816/899,540,962.81 - Step 6: Final answer
x = 475,611,580.89
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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.