Finding the Fourth Proportional to 4,885,763,992,246.40, 6,742,660,513,541.40 and 2,690,928,775,538
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Solution
The fourth proportional to 4,885,763,992,246.40, 6,742,660,513,541.40 and 2,690,928,775,538 is: 3,713,650,358,135.71
Step by Step Solution
- Step 1: Write the proportion equation
4,885,763,992,246.40 : 6,742,660,513,541.40 = 2,690,928,775,538 : x - Step 2: Convert to fraction form
4,885,763,992,246.40/6,742,660,513,541.40 = 2,690,928,775,538/x - Step 3: Cross multiply
4,885,763,992,246.40x = 6,742,660,513,541.40 × 2,690,928,775,538 - Step 4: Simplify right side
4,885,763,992,246.40x = 18,144,019,199,572,383,602,049,024 - Step 5: Solve for x
x = 18,144,019,199,572,383,602,049,024/4,885,763,992,246.40 - Step 6: Final answer
x = 3,713,650,358,135.71
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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.