Finding the Fourth Proportional to 514,014,905.47, 771,095,567.99 and 159,519,815.93
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Solution
The fourth proportional to 514,014,905.47, 771,095,567.99 and 159,519,815.93 is: 239,302,443.89
Step by Step Solution
- Step 1: Write the proportion equation
514,014,905.47 : 771,095,567.99 = 159,519,815.93 : x - Step 2: Convert to fraction form
514,014,905.47/771,095,567.99 = 159,519,815.93/x - Step 3: Cross multiply
514,014,905.47x = 771,095,567.99 × 159,519,815.93 - Step 4: Simplify right side
514,014,905.47x = 123,005,023,072,530,128 - Step 5: Solve for x
x = 123,005,023,072,530,128/514,014,905.47 - Step 6: Final answer
x = 239,302,443.89
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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.