Finding the Fourth Proportional to 1,748,511,995.84, 2,622,480,708.07 and 627,803,654.59
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Solution
The fourth proportional to 1,748,511,995.84, 2,622,480,708.07 and 627,803,654.59 is: 941,602,331.89
Step by Step Solution
- Step 1: Write the proportion equation
1,748,511,995.84 : 2,622,480,708.07 = 627,803,654.59 : x - Step 2: Convert to fraction form
1,748,511,995.84/2,622,480,708.07 = 627,803,654.59/x - Step 3: Cross multiply
1,748,511,995.84x = 2,622,480,708.07 × 627,803,654.59 - Step 4: Simplify right side
1,748,511,995.84x = 1,646,402,972,618,117,120 - Step 5: Solve for x
x = 1,646,402,972,618,117,120/1,748,511,995.84 - Step 6: Final answer
x = 941,602,331.89
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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.