Finding the Fourth Proportional to 5,132,962,202.84, 7,083,304,564.20 and 2,905,246,561.40
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Solution
The fourth proportional to 5,132,962,202.84, 7,083,304,564.20 and 2,905,246,561.40 is: 4,009,136,521.03
Step by Step Solution
- Step 1: Write the proportion equation
5,132,962,202.84 : 7,083,304,564.20 = 2,905,246,561.40 : x - Step 2: Convert to fraction form
5,132,962,202.84/7,083,304,564.20 = 2,905,246,561.40/x - Step 3: Cross multiply
5,132,962,202.84x = 7,083,304,564.20 × 2,905,246,561.40 - Step 4: Simplify right side
5,132,962,202.84x = 20,578,746,228,490,977,280 - Step 5: Solve for x
x = 20,578,746,228,490,977,280/5,132,962,202.84 - Step 6: Final answer
x = 4,009,136,521.03
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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.