Finding the Fourth Proportional to 424,824,831.10, 637,237,246.65 and 310,033,575.10
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Solution
The fourth proportional to 424,824,831.10, 637,237,246.65 and 310,033,575.10 is: 465,050,362.65
Step by Step Solution
- Step 1: Write the proportion equation
424,824,831.10 : 637,237,246.65 = 310,033,575.10 : x - Step 2: Convert to fraction form
424,824,831.10/637,237,246.65 = 310,033,575.10/x - Step 3: Cross multiply
424,824,831.10x = 637,237,246.65 × 310,033,575.10 - Step 4: Simplify right side
424,824,831.10x = 197,564,941,765,780,000 - Step 5: Solve for x
x = 197,564,941,765,780,000/424,824,831.10 - Step 6: Final answer
x = 465,050,362.65
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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.