Finding the Fourth Proportional to 903,643,201.80, 1,355,464,802.70 and 903,643,201.80
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Solution
The fourth proportional to 903,643,201.80, 1,355,464,802.70 and 903,643,201.80 is: 1,355,464,802.70
Step by Step Solution
- Step 1: Write the proportion equation
903,643,201.80 : 1,355,464,802.70 = 903,643,201.80 : x - Step 2: Convert to fraction form
903,643,201.80/1,355,464,802.70 = 903,643,201.80/x - Step 3: Cross multiply
903,643,201.80x = 1,355,464,802.70 × 903,643,201.80 - Step 4: Simplify right side
903,643,201.80x = 1,224,856,554,239,033,344 - Step 5: Solve for x
x = 1,224,856,554,239,033,344/903,643,201.80 - Step 6: Final answer
x = 1,355,464,802.70
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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.