Finding the Fourth Proportional to 525,234,434.94, 787,850,595.36 and 493,272,246.42
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Solution
The fourth proportional to 525,234,434.94, 787,850,595.36 and 493,272,246.42 is: 739,907,376.90
Step by Step Solution
- Step 1: Write the proportion equation
525,234,434.94 : 787,850,595.36 = 493,272,246.42 : x - Step 2: Convert to fraction form
525,234,434.94/787,850,595.36 = 493,272,246.42/x - Step 3: Cross multiply
525,234,434.94x = 787,850,595.36 × 493,272,246.42 - Step 4: Simplify right side
525,234,434.94x = 388,624,833,016,561,664 - Step 5: Solve for x
x = 388,624,833,016,561,664/525,234,434.94 - Step 6: Final answer
x = 739,907,376.90
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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.