Finding the Fourth Proportional to 307,941,525.44, 424,854,679.01 and 175,687,511.84
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Solution
The fourth proportional to 307,941,525.44, 424,854,679.01 and 175,687,511.84 is: 242,389,074.82
Step by Step Solution
- Step 1: Write the proportion equation
307,941,525.44 : 424,854,679.01 = 175,687,511.84 : x - Step 2: Convert to fraction form
307,941,525.44/424,854,679.01 = 175,687,511.84/x - Step 3: Cross multiply
307,941,525.44x = 424,854,679.01 × 175,687,511.84 - Step 4: Simplify right side
307,941,525.44x = 74,641,661,448,848,768 - Step 5: Solve for x
x = 74,641,661,448,848,768/307,941,525.44 - Step 6: Final answer
x = 242,389,074.82
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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.