Finding the Fourth Proportional to 604,855,905.80, 907,283,858.70 and 604,855,905.80
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Solution
The fourth proportional to 604,855,905.80, 907,283,858.70 and 604,855,905.80 is: 907,283,858.70
Step by Step Solution
- Step 1: Write the proportion equation
604,855,905.80 : 907,283,858.70 = 604,855,905.80 : x - Step 2: Convert to fraction form
604,855,905.80/907,283,858.70 = 604,855,905.80/x - Step 3: Cross multiply
604,855,905.80x = 907,283,858.70 × 604,855,905.80 - Step 4: Simplify right side
604,855,905.80x = 548,776,000,171,707,712 - Step 5: Solve for x
x = 548,776,000,171,707,712/604,855,905.80 - Step 6: Final answer
x = 907,283,858.70
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Double scale
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Similar ratio
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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.