Finding the Fourth Proportional to 20,237,393,570,766, 27,927,603,127,660 and 11,576,221,118,681
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Solution
The fourth proportional to 20,237,393,570,766, 27,927,603,127,660 and 11,576,221,118,681 is: 15,975,185,143,781.45
Step by Step Solution
- Step 1: Write the proportion equation
20,237,393,570,766 : 27,927,603,127,660 = 11,576,221,118,681 : x - Step 2: Convert to fraction form
20,237,393,570,766/27,927,603,127,660 = 11,576,221,118,681/x - Step 3: Cross multiply
20,237,393,570,766x = 27,927,603,127,660 × 11,576,221,118,681 - Step 4: Simplify right side
20,237,393,570,766x = 323,296,109,120,559,208,791,539,712 - Step 5: Solve for x
x = 323,296,109,120,559,208,791,539,712/20,237,393,570,766 - Step 6: Final answer
x = 15,975,185,143,781.45
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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.