Finding the Fourth Proportional to 725,316,006,163.20, 1,087,974,009,244.80 and 347,813,481,681.60
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Solution
The fourth proportional to 725,316,006,163.20, 1,087,974,009,244.80 and 347,813,481,681.60 is: 521,720,222,522.40
Step by Step Solution
- Step 1: Write the proportion equation
725,316,006,163.20 : 1,087,974,009,244.80 = 347,813,481,681.60 : x - Step 2: Convert to fraction form
725,316,006,163.20/1,087,974,009,244.80 = 347,813,481,681.60/x - Step 3: Cross multiply
725,316,006,163.20x = 1,087,974,009,244.80 × 347,813,481,681.60 - Step 4: Simplify right side
725,316,006,163.20x = 378,412,028,134,523,158,921,216 - Step 5: Solve for x
x = 378,412,028,134,523,158,921,216/725,316,006,163.20 - Step 6: Final answer
x = 521,720,222,522.40
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1.5x scale
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.