Finding the Fourth Proportional to 307,847,607,279.84, 424,678,732,533.36 and 267,145,391,395.44
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Solution
The fourth proportional to 307,847,607,279.84, 424,678,732,533.36 and 267,145,391,395.44 is: 368,529,634,589.02
Step by Step Solution
- Step 1: Write the proportion equation
307,847,607,279.84 : 424,678,732,533.36 = 267,145,391,395.44 : x - Step 2: Convert to fraction form
307,847,607,279.84/424,678,732,533.36 = 267,145,391,395.44/x - Step 3: Cross multiply
307,847,607,279.84x = 424,678,732,533.36 × 267,145,391,395.44 - Step 4: Simplify right side
307,847,607,279.84x = 113,450,966,219,943,825,113,088 - Step 5: Solve for x
x = 113,450,966,219,943,825,113,088/307,847,607,279.84 - Step 6: Final answer
x = 368,529,634,589.02
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1.5x scale
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.