Finding the Fourth Proportional to 1,948,820,536.84, 2,922,063,415.74 and 620,274,714.64
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Solution
The fourth proportional to 1,948,820,536.84, 2,922,063,415.74 and 620,274,714.64 is: 930,040,512.76
Step by Step Solution
- Step 1: Write the proportion equation
1,948,820,536.84 : 2,922,063,415.74 = 620,274,714.64 : x - Step 2: Convert to fraction form
1,948,820,536.84/2,922,063,415.74 = 620,274,714.64/x - Step 3: Cross multiply
1,948,820,536.84x = 2,922,063,415.74 × 620,274,714.64 - Step 4: Simplify right side
1,948,820,536.84x = 1,812,482,051,358,112,000 - Step 5: Solve for x
x = 1,812,482,051,358,112,000/1,948,820,536.84 - Step 6: Final answer
x = 930,040,512.76
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.