Finding the Fourth Proportional to 604,754,905.80, 907,132,358.70 and 298,644,889.80
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Solution
The fourth proportional to 604,754,905.80, 907,132,358.70 and 298,644,889.80 is: 447,967,334.70
Step by Step Solution
- Step 1: Write the proportion equation
604,754,905.80 : 907,132,358.70 = 298,644,889.80 : x - Step 2: Convert to fraction form
604,754,905.80/907,132,358.70 = 298,644,889.80/x - Step 3: Cross multiply
604,754,905.80x = 907,132,358.70 × 298,644,889.80 - Step 4: Simplify right side
604,754,905.80x = 270,910,443,297,975,584 - Step 5: Solve for x
x = 270,910,443,297,975,584/604,754,905.80 - Step 6: Final answer
x = 447,967,334.70
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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.