Finding the Fourth Proportional to 944,792,351.10, 1,417,188,526.65 and 427,239,675.90
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Solution
The fourth proportional to 944,792,351.10, 1,417,188,526.65 and 427,239,675.90 is: 640,859,513.85
Step by Step Solution
- Step 1: Write the proportion equation
944,792,351.10 : 1,417,188,526.65 = 427,239,675.90 : x - Step 2: Convert to fraction form
944,792,351.10/1,417,188,526.65 = 427,239,675.90/x - Step 3: Cross multiply
944,792,351.10x = 1,417,188,526.65 × 427,239,675.90 - Step 4: Simplify right side
944,792,351.10x = 605,479,166,815,144,576 - Step 5: Solve for x
x = 605,479,166,815,144,576/944,792,351.10 - Step 6: Final answer
x = 640,859,513.85
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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.