Finding the Fourth Proportional to 487,156,823.80, 730,735,235.70 and 228,876,497.80
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Solution
The fourth proportional to 487,156,823.80, 730,735,235.70 and 228,876,497.80 is: 343,314,746.70
Step by Step Solution
- Step 1: Write the proportion equation
487,156,823.80 : 730,735,235.70 = 228,876,497.80 : x - Step 2: Convert to fraction form
487,156,823.80/730,735,235.70 = 228,876,497.80/x - Step 3: Cross multiply
487,156,823.80x = 730,735,235.70 × 228,876,497.80 - Step 4: Simplify right side
487,156,823.80x = 167,248,121,566,073,536 - Step 5: Solve for x
x = 167,248,121,566,073,536/487,156,823.80 - Step 6: Final answer
x = 343,314,746.70
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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.