Finding the Fourth Proportional to 1,653,190,774.25, 2,281,403,393.19 and 910,634,837.00
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Solution
The fourth proportional to 1,653,190,774.25, 2,281,403,393.19 and 910,634,837.00 is: 1,256,676,143.76
Step by Step Solution
- Step 1: Write the proportion equation
1,653,190,774.25 : 2,281,403,393.19 = 910,634,837.00 : x - Step 2: Convert to fraction form
1,653,190,774.25/2,281,403,393.19 = 910,634,837.00/x - Step 3: Cross multiply
1,653,190,774.25x = 2,281,403,393.19 × 910,634,837.00 - Step 4: Simplify right side
1,653,190,774.25x = 2,077,525,407,077,415,680 - Step 5: Solve for x
x = 2,077,525,407,077,415,680/1,653,190,774.25 - Step 6: Final answer
x = 1,256,676,143.76
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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.