Finding the Fourth Proportional to 6,742,390,622.25, 9,304,518,965.46 and 3,731,852,423.31
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Solution
The fourth proportional to 6,742,390,622.25, 9,304,518,965.46 and 3,731,852,423.31 is: 5,149,967,362.38
Step by Step Solution
- Step 1: Write the proportion equation
6,742,390,622.25 : 9,304,518,965.46 = 3,731,852,423.31 : x - Step 2: Convert to fraction form
6,742,390,622.25/9,304,518,965.46 = 3,731,852,423.31/x - Step 3: Cross multiply
6,742,390,622.25x = 9,304,518,965.46 × 3,731,852,423.31 - Step 4: Simplify right side
6,742,390,622.25x = 34,723,091,648,985,751,552 - Step 5: Solve for x
x = 34,723,091,648,985,751,552/6,742,390,622.25 - Step 6: Final answer
x = 5,149,967,362.38
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1.5x scale
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.