Finding the Fourth Proportional to 1,663,417,094.96, 2,295,424,649 and 910,584,634.12
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Solution
The fourth proportional to 1,663,417,094.96, 2,295,424,649 and 910,584,634.12 is: 1,256,557,011.76
Step by Step Solution
- Step 1: Write the proportion equation
1,663,417,094.96 : 2,295,424,649 = 910,584,634.12 : x - Step 2: Convert to fraction form
1,663,417,094.96/2,295,424,649 = 910,584,634.12/x - Step 3: Cross multiply
1,663,417,094.96x = 2,295,424,649 × 910,584,634.12 - Step 4: Simplify right side
1,663,417,094.96x = 2,090,178,414,159,694,336 - Step 5: Solve for x
x = 2,090,178,414,159,694,336/1,663,417,094.96 - Step 6: Final answer
x = 1,256,557,011.76
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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.