Finding the Fourth Proportional to 2,618,674,125.66, 3,928,528,643.76 and 960,596,807.31
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Solution
The fourth proportional to 2,618,674,125.66, 3,928,528,643.76 and 960,596,807.31 is: 1,441,085,026.82
Step by Step Solution
- Step 1: Write the proportion equation
2,618,674,125.66 : 3,928,528,643.76 = 960,596,807.31 : x - Step 2: Convert to fraction form
2,618,674,125.66/3,928,528,643.76 = 960,596,807.31/x - Step 3: Cross multiply
2,618,674,125.66x = 3,928,528,643.76 × 960,596,807.31 - Step 4: Simplify right side
2,618,674,125.66x = 3,773,732,072,621,740,544 - Step 5: Solve for x
x = 3,773,732,072,621,740,544/2,618,674,125.66 - Step 6: Final answer
x = 1,441,085,026.82
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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.