Finding the Fourth Proportional to 954,243,772.78, 1,431,011,248.51 and 332,299,289.02
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Solution
The fourth proportional to 954,243,772.78, 1,431,011,248.51 and 332,299,289.02 is: 498,325,516.00
Step by Step Solution
- Step 1: Write the proportion equation
954,243,772.78 : 1,431,011,248.51 = 332,299,289.02 : x - Step 2: Convert to fraction form
954,243,772.78/1,431,011,248.51 = 332,299,289.02/x - Step 3: Cross multiply
954,243,772.78x = 1,431,011,248.51 × 332,299,289.02 - Step 4: Simplify right side
954,243,772.78x = 475,524,020,459,495,488 - Step 5: Solve for x
x = 475,524,020,459,495,488/954,243,772.78 - Step 6: Final answer
x = 498,325,516.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.