Finding the Fourth Proportional to 412,025,454, 618,038,402.54 and 153,207,043.99
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Solution
The fourth proportional to 412,025,454, 618,038,402.54 and 153,207,043.99 is: 229,810,648.36
Step by Step Solution
- Step 1: Write the proportion equation
412,025,454 : 618,038,402.54 = 153,207,043.99 : x - Step 2: Convert to fraction form
412,025,454/618,038,402.54 = 153,207,043.99/x - Step 3: Cross multiply
412,025,454x = 618,038,402.54 × 153,207,043.99 - Step 4: Simplify right side
412,025,454x = 94,687,836,723,143,984 - Step 5: Solve for x
x = 94,687,836,723,143,984/412,025,454 - Step 6: Final answer
x = 229,810,648.36
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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.