Finding the Fourth Proportional to 611,997,880.98, 918,176,930.21 and 197,466,925.80
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Solution
The fourth proportional to 611,997,880.98, 918,176,930.21 and 197,466,925.80 is: 296,258,502.49
Step by Step Solution
- Step 1: Write the proportion equation
611,997,880.98 : 918,176,930.21 = 197,466,925.80 : x - Step 2: Convert to fraction form
611,997,880.98/918,176,930.21 = 197,466,925.80/x - Step 3: Cross multiply
611,997,880.98x = 918,176,930.21 × 197,466,925.80 - Step 4: Simplify right side
611,997,880.98x = 181,309,575,749,049,856 - Step 5: Solve for x
x = 181,309,575,749,049,856/611,997,880.98 - Step 6: Final answer
x = 296,258,502.49
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1.5x scale
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.