Finding the Fourth Proportional to 354,924,831.10, 532,387,246.65 and 163,821,855.10
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Solution
The fourth proportional to 354,924,831.10, 532,387,246.65 and 163,821,855.10 is: 245,732,782.65
Step by Step Solution
- Step 1: Write the proportion equation
354,924,831.10 : 532,387,246.65 = 163,821,855.10 : x - Step 2: Convert to fraction form
354,924,831.10/532,387,246.65 = 163,821,855.10/x - Step 3: Cross multiply
354,924,831.10x = 532,387,246.65 × 163,821,855.10 - Step 4: Simplify right side
354,924,831.10x = 87,216,666,377,784,256 - Step 5: Solve for x
x = 87,216,666,377,784,256/354,924,831.10 - Step 6: Final answer
x = 245,732,782.65
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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.