Finding the Fourth Proportional to 2,235,255,574.08, 3,084,513,705.65 and 1,231,616,976.74
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Solution
The fourth proportional to 2,235,255,574.08, 3,084,513,705.65 and 1,231,616,976.74 is: 1,699,554,846.85
Step by Step Solution
- Step 1: Write the proportion equation
2,235,255,574.08 : 3,084,513,705.65 = 1,231,616,976.74 : x - Step 2: Convert to fraction form
2,235,255,574.08/3,084,513,705.65 = 1,231,616,976.74/x - Step 3: Cross multiply
2,235,255,574.08x = 3,084,513,705.65 × 1,231,616,976.74 - Step 4: Simplify right side
2,235,255,574.08x = 3,798,939,444,865,747,456 - Step 5: Solve for x
x = 3,798,939,444,865,747,456/2,235,255,574.08 - Step 6: Final answer
x = 1,699,554,846.85
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1.5x scale
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.