Finding the Fourth Proportional to 963,986,372,697.40, 1,330,261,246,885.90 and 524,525,571,442.60
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Solution
The fourth proportional to 963,986,372,697.40, 1,330,261,246,885.90 and 524,525,571,442.60 is: 723,823,552,337.50
Step by Step Solution
- Step 1: Write the proportion equation
963,986,372,697.40 : 1,330,261,246,885.90 = 524,525,571,442.60 : x - Step 2: Convert to fraction form
963,986,372,697.40/1,330,261,246,885.90 = 524,525,571,442.60/x - Step 3: Cross multiply
963,986,372,697.40x = 1,330,261,246,885.90 × 524,525,571,442.60 - Step 4: Simplify right side
963,986,372,697.40x = 697,756,040,690,772,274,577,408 - Step 5: Solve for x
x = 697,756,040,690,772,274,577,408/963,986,372,697.40 - Step 6: Final answer
x = 723,823,552,337.50
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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.