Finding the Fourth Proportional to 748,450,653,101, 1,122,518,878,506.60 and 211,102,950,694.80
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Solution
The fourth proportional to 748,450,653,101, 1,122,518,878,506.60 and 211,102,950,694.80 is: 316,610,115,151.28
Step by Step Solution
- Step 1: Write the proportion equation
748,450,653,101 : 1,122,518,878,506.60 = 211,102,950,694.80 : x - Step 2: Convert to fraction form
748,450,653,101/1,122,518,878,506.60 = 211,102,950,694.80/x - Step 3: Cross multiply
748,450,653,101x = 1,122,518,878,506.60 × 211,102,950,694.80 - Step 4: Simplify right side
748,450,653,101x = 236,967,047,463,360,991,854,592 - Step 5: Solve for x
x = 236,967,047,463,360,991,854,592/748,450,653,101 - Step 6: Final answer
x = 316,610,115,151.28
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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.