Finding the Fourth Proportional to 457,180,197.13, 630,908,192.05 and 248,336,503.39
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Solution
The fourth proportional to 457,180,197.13, 630,908,192.05 and 248,336,503.39 is: 342,704,113.95
Step by Step Solution
- Step 1: Write the proportion equation
457,180,197.13 : 630,908,192.05 = 248,336,503.39 : x - Step 2: Convert to fraction form
457,180,197.13/630,908,192.05 = 248,336,503.39/x - Step 3: Cross multiply
457,180,197.13x = 630,908,192.05 × 248,336,503.39 - Step 4: Simplify right side
457,180,197.13x = 156,677,534,373,803,584 - Step 5: Solve for x
x = 156,677,534,373,803,584/457,180,197.13 - Step 6: Final answer
x = 342,704,113.95
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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.