Finding the Fourth Proportional to 4,467,549,948.71, 6,692,606,949.21 and 3,480,354,119.28
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Solution
The fourth proportional to 4,467,549,948.71, 6,692,606,949.21 and 3,480,354,119.28 is: 5,213,739,618.32
Step by Step Solution
- Step 1: Write the proportion equation
4,467,549,948.71 : 6,692,606,949.21 = 3,480,354,119.28 : x - Step 2: Convert to fraction form
4,467,549,948.71/6,692,606,949.21 = 3,480,354,119.28/x - Step 3: Cross multiply
4,467,549,948.71x = 6,692,606,949.21 × 3,480,354,119.28 - Step 4: Simplify right side
4,467,549,948.71x = 23,292,642,164,404,977,664 - Step 5: Solve for x
x = 23,292,642,164,404,977,664/4,467,549,948.71 - Step 6: Final answer
x = 5,213,739,618.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.