Finding the Fourth Proportional to 1,698,575,313,803.20, 2,344,033,843,402.80 and 917,308,366,134
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Solution
The fourth proportional to 1,698,575,313,803.20, 2,344,033,843,402.80 and 917,308,366,134 is: 1,265,885,496,852.19
Step by Step Solution
- Step 1: Write the proportion equation
1,698,575,313,803.20 : 2,344,033,843,402.80 = 917,308,366,134 : x - Step 2: Convert to fraction form
1,698,575,313,803.20/2,344,033,843,402.80 = 917,308,366,134/x - Step 3: Cross multiply
1,698,575,313,803.20x = 2,344,033,843,402.80 × 917,308,366,134 - Step 4: Simplify right side
1,698,575,313,803.20x = 2,150,201,855,054,622,786,322,432 - Step 5: Solve for x
x = 2,150,201,855,054,622,786,322,432/1,698,575,313,803.20 - Step 6: Final answer
x = 1,265,885,496,852.19
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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.