Finding the Fourth Proportional to 884,420,000.20, 1,326,630,000.30 and 625,927,097.80
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Solution
The fourth proportional to 884,420,000.20, 1,326,630,000.30 and 625,927,097.80 is: 938,890,646.70
Step by Step Solution
- Step 1: Write the proportion equation
884,420,000.20 : 1,326,630,000.30 = 625,927,097.80 : x - Step 2: Convert to fraction form
884,420,000.20/1,326,630,000.30 = 625,927,097.80/x - Step 3: Cross multiply
884,420,000.20x = 1,326,630,000.30 × 625,927,097.80 - Step 4: Simplify right side
884,420,000.20x = 830,373,665,942,192,000 - Step 5: Solve for x
x = 830,373,665,942,192,000/884,420,000.20 - Step 6: Final answer
x = 938,890,646.70
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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.