Finding the Fourth Proportional to 587,738,152.08, 812,197,258.92 and 440,805,344.40
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Solution
The fourth proportional to 587,738,152.08, 812,197,258.92 and 440,805,344.40 is: 609,150,335.35
Step by Step Solution
- Step 1: Write the proportion equation
587,738,152.08 : 812,197,258.92 = 440,805,344.40 : x - Step 2: Convert to fraction form
587,738,152.08/812,197,258.92 = 440,805,344.40/x - Step 3: Cross multiply
587,738,152.08x = 812,197,258.92 × 440,805,344.40 - Step 4: Simplify right side
587,738,152.08x = 358,020,892,438,966,528 - Step 5: Solve for x
x = 358,020,892,438,966,528/587,738,152.08 - Step 6: Final answer
x = 609,150,335.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.