Finding the Fourth Proportional to 2,400,891,309.87, 3,313,158,848.21 and 1,329,242,401.74
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Solution
The fourth proportional to 2,400,891,309.87, 3,313,158,848.21 and 1,329,242,401.74 is: 1,834,315,117.32
Step by Step Solution
- Step 1: Write the proportion equation
2,400,891,309.87 : 3,313,158,848.21 = 1,329,242,401.74 : x - Step 2: Convert to fraction form
2,400,891,309.87/3,313,158,848.21 = 1,329,242,401.74/x - Step 3: Cross multiply
2,400,891,309.87x = 3,313,158,848.21 × 1,329,242,401.74 - Step 4: Simplify right side
2,400,891,309.87x = 4,403,991,224,740,792,832 - Step 5: Solve for x
x = 4,403,991,224,740,792,832/2,400,891,309.87 - Step 6: Final answer
x = 1,834,315,117.32
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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.