Finding the Fourth Proportional to 578,619,474.05, 798,494,267.36 and 314,301,676.97
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Solution
The fourth proportional to 578,619,474.05, 798,494,267.36 and 314,301,676.97 is: 433,735,984.59
Step by Step Solution
- Step 1: Write the proportion equation
578,619,474.05 : 798,494,267.36 = 314,301,676.97 : x - Step 2: Convert to fraction form
578,619,474.05/798,494,267.36 = 314,301,676.97/x - Step 3: Cross multiply
578,619,474.05x = 798,494,267.36 × 314,301,676.97 - Step 4: Simplify right side
578,619,474.05x = 250,968,087,278,972,768 - Step 5: Solve for x
x = 250,968,087,278,972,768/578,619,474.05 - Step 6: Final answer
x = 433,735,984.59
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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.