Finding the Fourth Proportional to 1,420,374,756, 2,130,562,134 and 399,168,228
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Solution
The fourth proportional to 1,420,374,756, 2,130,562,134 and 399,168,228 is: 598,752,342
Step by Step Solution
- Step 1: Write the proportion equation
1,420,374,756 : 2,130,562,134 = 399,168,228 : x - Step 2: Convert to fraction form
1,420,374,756/2,130,562,134 = 399,168,228/x - Step 3: Cross multiply
1,420,374,756x = 2,130,562,134 × 399,168,228 - Step 4: Simplify right side
1,420,374,756x = 850,452,711,672,678,528 - Step 5: Solve for x
x = 850,452,711,672,678,528/1,420,374,756 - Step 6: Final answer
x = 598,752,342
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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.