Finding the Fourth Proportional to 1,201,162,875.30, 1,801,744,312.95 and 943,173,857.70
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Solution
The fourth proportional to 1,201,162,875.30, 1,801,744,312.95 and 943,173,857.70 is: 1,414,760,786.55
Step by Step Solution
- Step 1: Write the proportion equation
1,201,162,875.30 : 1,801,744,312.95 = 943,173,857.70 : x - Step 2: Convert to fraction form
1,201,162,875.30/1,801,744,312.95 = 943,173,857.70/x - Step 3: Cross multiply
1,201,162,875.30x = 1,801,744,312.95 × 943,173,857.70 - Step 4: Simplify right side
1,201,162,875.30x = 1,699,358,134,234,087,680 - Step 5: Solve for x
x = 1,699,358,134,234,087,680/1,201,162,875.30 - Step 6: Final answer
x = 1,414,760,786.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.