Finding the Fourth Proportional to 357,621,427.46, 536,498,669.74 and 124,442,437.70
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Solution
The fourth proportional to 357,621,427.46, 536,498,669.74 and 124,442,437.70 is: 186,686,806.66
Step by Step Solution
- Step 1: Write the proportion equation
357,621,427.46 : 536,498,669.74 = 124,442,437.70 : x - Step 2: Convert to fraction form
357,621,427.46/536,498,669.74 = 124,442,437.70/x - Step 3: Cross multiply
357,621,427.46x = 536,498,669.74 × 124,442,437.70 - Step 4: Simplify right side
357,621,427.46x = 66,763,202,285,252,824 - Step 5: Solve for x
x = 66,763,202,285,252,824/357,621,427.46 - Step 6: Final answer
x = 186,686,806.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.