Finding the Fourth Proportional to 2,391,752,495.80, 3,587,628,743.70 and 2,238,697,487.80
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Solution
The fourth proportional to 2,391,752,495.80, 3,587,628,743.70 and 2,238,697,487.80 is: 3,358,046,231.70
Step by Step Solution
- Step 1: Write the proportion equation
2,391,752,495.80 : 3,587,628,743.70 = 2,238,697,487.80 : x - Step 2: Convert to fraction form
2,391,752,495.80/3,587,628,743.70 = 2,238,697,487.80/x - Step 3: Cross multiply
2,391,752,495.80x = 3,587,628,743.70 × 2,238,697,487.80 - Step 4: Simplify right side
2,391,752,495.80x = 8,031,615,455,680,260,096 - Step 5: Solve for x
x = 8,031,615,455,680,260,096/2,391,752,495.80 - Step 6: Final answer
x = 3,358,046,231.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.