Finding the Fourth Proportional to 930,195,946,779.40, 1,283,909,246,028.60 and 605,843,495,694.70
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Solution
The fourth proportional to 930,195,946,779.40, 1,283,909,246,028.60 and 605,843,495,694.70 is: 836,219,581,972.86
Step by Step Solution
- Step 1: Write the proportion equation
930,195,946,779.40 : 1,283,909,246,028.60 = 605,843,495,694.70 : x - Step 2: Convert to fraction form
930,195,946,779.40/1,283,909,246,028.60 = 605,843,495,694.70/x - Step 3: Cross multiply
930,195,946,779.40x = 1,283,909,246,028.60 × 605,843,495,694.70 - Step 4: Simplify right side
930,195,946,779.40x = 777,848,065,768,713,695,002,624 - Step 5: Solve for x
x = 777,848,065,768,713,695,002,624/930,195,946,779.40 - Step 6: Final answer
x = 836,219,581,972.86
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Double scale
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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.