Finding the Fourth Proportional to 2,870,818,206.80, 4,306,227,310.20 and 1,564,748,805.20
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Solution
The fourth proportional to 2,870,818,206.80, 4,306,227,310.20 and 1,564,748,805.20 is: 2,347,123,207.80
Step by Step Solution
- Step 1: Write the proportion equation
2,870,818,206.80 : 4,306,227,310.20 = 1,564,748,805.20 : x - Step 2: Convert to fraction form
2,870,818,206.80/4,306,227,310.20 = 1,564,748,805.20/x - Step 3: Cross multiply
2,870,818,206.80x = 4,306,227,310.20 × 1,564,748,805.20 - Step 4: Simplify right side
2,870,818,206.80x = 6,738,164,038,555,059,200 - Step 5: Solve for x
x = 6,738,164,038,555,059,200/2,870,818,206.80 - Step 6: Final answer
x = 2,347,123,207.80
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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.