Finding the Fourth Proportional to 483,947,154.07, 725,918,335.99 and 418,168,125.60
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Solution
The fourth proportional to 483,947,154.07, 725,918,335.99 and 418,168,125.60 is: 627,250,118.84
Step by Step Solution
- Step 1: Write the proportion equation
483,947,154.07 : 725,918,335.99 = 418,168,125.60 : x - Step 2: Convert to fraction form
483,947,154.07/725,918,335.99 = 418,168,125.60/x - Step 3: Cross multiply
483,947,154.07x = 725,918,335.99 × 418,168,125.60 - Step 4: Simplify right side
483,947,154.07x = 303,555,909,901,595,200 - Step 5: Solve for x
x = 303,555,909,901,595,200/483,947,154.07 - Step 6: Final answer
x = 627,250,118.84
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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.