Finding the Fourth Proportional to 3,878,574,201.84, 5,818,678,387.44 and 1,258,173,699.96
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Solution
The fourth proportional to 3,878,574,201.84, 5,818,678,387.44 and 1,258,173,699.96 is: 1,887,525,604.67
Step by Step Solution
- Step 1: Write the proportion equation
3,878,574,201.84 : 5,818,678,387.44 = 1,258,173,699.96 : x - Step 2: Convert to fraction form
3,878,574,201.84/5,818,678,387.44 = 1,258,173,699.96/x - Step 3: Cross multiply
3,878,574,201.84x = 5,818,678,387.44 × 1,258,173,699.96 - Step 4: Simplify right side
3,878,574,201.84x = 7,320,908,115,602,670,592 - Step 5: Solve for x
x = 7,320,908,115,602,670,592/3,878,574,201.84 - Step 6: Final answer
x = 1,887,525,604.67
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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.