Finding the Fourth Proportional to 3,371,219,909,408, 4,651,486,103,479.40 and 1,907,996,722,021.20
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Solution
The fourth proportional to 3,371,219,909,408, 4,651,486,103,479.40 and 1,907,996,722,021.20 is: 2,632,584,191,021.92
Step by Step Solution
- Step 1: Write the proportion equation
3,371,219,909,408 : 4,651,486,103,479.40 = 1,907,996,722,021.20 : x - Step 2: Convert to fraction form
3,371,219,909,408/4,651,486,103,479.40 = 1,907,996,722,021.20/x - Step 3: Cross multiply
3,371,219,909,408x = 4,651,486,103,479.40 × 1,907,996,722,021.20 - Step 4: Simplify right side
3,371,219,909,408x = 8,875,020,237,965,860,492,279,808 - Step 5: Solve for x
x = 8,875,020,237,965,860,492,279,808/3,371,219,909,408 - Step 6: Final answer
x = 2,632,584,191,021.92
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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.