Finding the Fourth Proportional to 1,943,196,409,442.90, 2,681,695,339,491 and 1,076,101,187,608.70
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Solution
The fourth proportional to 1,943,196,409,442.90, 2,681,695,339,491 and 1,076,101,187,608.70 is: 1,485,066,319,393.99
Step by Step Solution
- Step 1: Write the proportion equation
1,943,196,409,442.90 : 2,681,695,339,491 = 1,076,101,187,608.70 : x - Step 2: Convert to fraction form
1,943,196,409,442.90/2,681,695,339,491 = 1,076,101,187,608.70/x - Step 3: Cross multiply
1,943,196,409,442.90x = 2,681,695,339,491 × 1,076,101,187,608.70 - Step 4: Simplify right side
1,943,196,409,442.90x = 2,885,775,539,630,980,913,430,528 - Step 5: Solve for x
x = 2,885,775,539,630,980,913,430,528/1,943,196,409,442.90 - Step 6: Final answer
x = 1,485,066,319,393.99
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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.