Finding the Fourth Proportional to 1,941,765,040.95, 2,680,364,462.97 and 1,272,753,199.35
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Solution
The fourth proportional to 1,941,765,040.95, 2,680,364,462.97 and 1,272,753,199.35 is: 1,756,877,054.50
Step by Step Solution
- Step 1: Write the proportion equation
1,941,765,040.95 : 2,680,364,462.97 = 1,272,753,199.35 : x - Step 2: Convert to fraction form
1,941,765,040.95/2,680,364,462.97 = 1,272,753,199.35/x - Step 3: Cross multiply
1,941,765,040.95x = 2,680,364,462.97 × 1,272,753,199.35 - Step 4: Simplify right side
1,941,765,040.95x = 3,411,442,445,669,111,808 - Step 5: Solve for x
x = 3,411,442,445,669,111,808/1,941,765,040.95 - Step 6: Final answer
x = 1,756,877,054.50
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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.