Finding the Fourth Proportional to 1,908,841,398.08, 2,634,159,852.43 and 1,105,102,786.35
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Solution
The fourth proportional to 1,908,841,398.08, 2,634,159,852.43 and 1,105,102,786.35 is: 1,525,017,948.33
Step by Step Solution
- Step 1: Write the proportion equation
1,908,841,398.08 : 2,634,159,852.43 = 1,105,102,786.35 : x - Step 2: Convert to fraction form
1,908,841,398.08/2,634,159,852.43 = 1,105,102,786.35/x - Step 3: Cross multiply
1,908,841,398.08x = 2,634,159,852.43 × 1,105,102,786.35 - Step 4: Simplify right side
1,908,841,398.08x = 2,911,017,392,599,187,968 - Step 5: Solve for x
x = 2,911,017,392,599,187,968/1,908,841,398.08 - Step 6: Final answer
x = 1,525,017,948.33
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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.