Finding the Fourth Proportional to 4,316,817,471.12, 6,475,843,890.66 and 1,329,133,350.75
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Solution
The fourth proportional to 4,316,817,471.12, 6,475,843,890.66 and 1,329,133,350.75 is: 1,993,890,208.91
Step by Step Solution
- Step 1: Write the proportion equation
4,316,817,471.12 : 6,475,843,890.66 = 1,329,133,350.75 : x - Step 2: Convert to fraction form
4,316,817,471.12/6,475,843,890.66 = 1,329,133,350.75/x - Step 3: Cross multiply
4,316,817,471.12x = 6,475,843,890.66 × 1,329,133,350.75 - Step 4: Simplify right side
4,316,817,471.12x = 8,607,260,089,299,576,832 - Step 5: Solve for x
x = 8,607,260,089,299,576,832/4,316,817,471.12 - Step 6: Final answer
x = 1,993,890,208.91
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1.5x scale
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.