Finding the Fourth Proportional to 575,728,746.30, 863,593,119.45 and 472,416,615.90
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Solution
The fourth proportional to 575,728,746.30, 863,593,119.45 and 472,416,615.90 is: 708,624,923.85
Step by Step Solution
- Step 1: Write the proportion equation
575,728,746.30 : 863,593,119.45 = 472,416,615.90 : x - Step 2: Convert to fraction form
575,728,746.30/863,593,119.45 = 472,416,615.90/x - Step 3: Cross multiply
575,728,746.30x = 863,593,119.45 × 472,416,615.90 - Step 4: Simplify right side
575,728,746.30x = 407,975,739,005,093,440 - Step 5: Solve for x
x = 407,975,739,005,093,440/575,728,746.30 - Step 6: Final answer
x = 708,624,923.85
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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.