Finding the Fourth Proportional to 708,235,261.92, 977,031,093.60 and 460,626,271.20
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Solution
The fourth proportional to 708,235,261.92, 977,031,093.60 and 460,626,271.20 is: 635,447,306.41
Step by Step Solution
- Step 1: Write the proportion equation
708,235,261.92 : 977,031,093.60 = 460,626,271.20 : x - Step 2: Convert to fraction form
708,235,261.92/977,031,093.60 = 460,626,271.20/x - Step 3: Cross multiply
708,235,261.92x = 977,031,093.60 × 460,626,271.20 - Step 4: Simplify right side
708,235,261.92x = 450,046,189,491,426,176 - Step 5: Solve for x
x = 450,046,189,491,426,176/708,235,261.92 - Step 6: Final answer
x = 635,447,306.41
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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.