Finding the Fourth Proportional to 928,153,154.52, 1,392,230,102.76 and 228,658,897.08
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Solution
The fourth proportional to 928,153,154.52, 1,392,230,102.76 and 228,658,897.08 is: 342,988,437.01
Step by Step Solution
- Step 1: Write the proportion equation
928,153,154.52 : 1,392,230,102.76 = 228,658,897.08 : x - Step 2: Convert to fraction form
928,153,154.52/1,392,230,102.76 = 228,658,897.08/x - Step 3: Cross multiply
928,153,154.52x = 1,392,230,102.76 × 228,658,897.08 - Step 4: Simplify right side
928,153,154.52x = 318,345,799,778,676,672 - Step 5: Solve for x
x = 318,345,799,778,676,672/928,153,154.52 - Step 6: Final answer
x = 342,988,437.01
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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.