Finding the Fourth Proportional to 433,028,688.90, 649,543,033.35 and 429,202,313.70
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Solution
The fourth proportional to 433,028,688.90, 649,543,033.35 and 429,202,313.70 is: 643,803,470.55
Step by Step Solution
- Step 1: Write the proportion equation
433,028,688.90 : 649,543,033.35 = 429,202,313.70 : x - Step 2: Convert to fraction form
433,028,688.90/649,543,033.35 = 429,202,313.70/x - Step 3: Cross multiply
433,028,688.90x = 649,543,033.35 × 429,202,313.70 - Step 4: Simplify right side
433,028,688.90x = 278,785,372,761,536,256 - Step 5: Solve for x
x = 278,785,372,761,536,256/433,028,688.90 - Step 6: Final answer
x = 643,803,470.55
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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.