Finding the Fourth Proportional to 1,820,373,259.44, 2,513,812,653.76 and 1,339,850,769.80
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Solution
The fourth proportional to 1,820,373,259.44, 2,513,812,653.76 and 1,339,850,769.80 is: 1,850,243,515.61
Step by Step Solution
- Step 1: Write the proportion equation
1,820,373,259.44 : 2,513,812,653.76 = 1,339,850,769.80 : x - Step 2: Convert to fraction form
1,820,373,259.44/2,513,812,653.76 = 1,339,850,769.80/x - Step 3: Cross multiply
1,820,373,259.44x = 2,513,812,653.76 × 1,339,850,769.80 - Step 4: Simplify right side
1,820,373,259.44x = 3,368,133,819,273,316,864 - Step 5: Solve for x
x = 3,368,133,819,273,316,864/1,820,373,259.44 - Step 6: Final answer
x = 1,850,243,515.61
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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.