Finding the Fourth Proportional to 7,421,323,368.36, 10,241,353,489.58 and 4,034,031,121.85
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Solution
The fourth proportional to 7,421,323,368.36, 10,241,353,489.58 and 4,034,031,121.85 is: 5,566,923,398.45
Step by Step Solution
- Step 1: Write the proportion equation
7,421,323,368.36 : 10,241,353,489.58 = 4,034,031,121.85 : x - Step 2: Convert to fraction form
7,421,323,368.36/10,241,353,489.58 = 4,034,031,121.85/x - Step 3: Cross multiply
7,421,323,368.36x = 10,241,353,489.58 × 4,034,031,121.85 - Step 4: Simplify right side
7,421,323,368.36x = 41,313,938,706,761,441,280 - Step 5: Solve for x
x = 41,313,938,706,761,441,280/7,421,323,368.36 - Step 6: Final answer
x = 5,566,923,398.45
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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.