Finding the Fourth Proportional to 475,819,952.81, 713,734,853.00 and 143,829,719.62
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Solution
The fourth proportional to 475,819,952.81, 713,734,853.00 and 143,829,719.62 is: 215,746,067.78
Step by Step Solution
- Step 1: Write the proportion equation
475,819,952.81 : 713,734,853.00 = 143,829,719.62 : x - Step 2: Convert to fraction form
475,819,952.81/713,734,853.00 = 143,829,719.62/x - Step 3: Cross multiply
475,819,952.81x = 713,734,853.00 × 143,829,719.62 - Step 4: Simplify right side
475,819,952.81x = 102,656,283,787,508,432 - Step 5: Solve for x
x = 102,656,283,787,508,432/475,819,952.81 - Step 6: Final answer
x = 215,746,067.78
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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.