Finding the Fourth Proportional to 527,042,920.98, 785,852,477.34 and 512,562,890.55
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Solution
The fourth proportional to 527,042,920.98, 785,852,477.34 and 512,562,890.55 is: 764,261,887.02
Step by Step Solution
- Step 1: Write the proportion equation
527,042,920.98 : 785,852,477.34 = 512,562,890.55 : x - Step 2: Convert to fraction form
527,042,920.98/785,852,477.34 = 512,562,890.55/x - Step 3: Cross multiply
527,042,920.98x = 785,852,477.34 × 512,562,890.55 - Step 4: Simplify right side
527,042,920.98x = 402,798,817,331,268,800 - Step 5: Solve for x
x = 402,798,817,331,268,800/527,042,920.98 - Step 6: Final answer
x = 764,261,887.02
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.