Finding the Fourth Proportional to 412,497,605.65, 619,019,000.49 and 194,210,373.65
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Solution
The fourth proportional to 412,497,605.65, 619,019,000.49 and 194,210,373.65 is: 291,443,901.09
Step by Step Solution
- Step 1: Write the proportion equation
412,497,605.65 : 619,019,000.49 = 194,210,373.65 : x - Step 2: Convert to fraction form
412,497,605.65/619,019,000.49 = 194,210,373.65/x - Step 3: Cross multiply
412,497,605.65x = 619,019,000.49 × 194,210,373.65 - Step 4: Simplify right side
412,497,605.65x = 120,219,911,381,612,432 - Step 5: Solve for x
x = 120,219,911,381,612,432/412,497,605.65 - Step 6: Final answer
x = 291,443,901.09
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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.