Finding the Fourth Proportional to 2,167,019,188.84, 2,990,501,786.10 and 1,176,944,605.84
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Solution
The fourth proportional to 2,167,019,188.84, 2,990,501,786.10 and 1,176,944,605.84 is: 1,624,191,868.73
Step by Step Solution
- Step 1: Write the proportion equation
2,167,019,188.84 : 2,990,501,786.10 = 1,176,944,605.84 : x - Step 2: Convert to fraction form
2,167,019,188.84/2,990,501,786.10 = 1,176,944,605.84/x - Step 3: Cross multiply
2,167,019,188.84x = 2,990,501,786.10 × 1,176,944,605.84 - Step 4: Simplify right side
2,167,019,188.84x = 3,519,654,945,905,280,000 - Step 5: Solve for x
x = 3,519,654,945,905,280,000/2,167,019,188.84 - Step 6: Final answer
x = 1,624,191,868.73
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.