Finding the Fourth Proportional to 917,533,033,790.16, 1,375,920,886,213.40 and 313,206,915,393.18
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Solution
The fourth proportional to 917,533,033,790.16, 1,375,920,886,213.40 and 313,206,915,393.18 is: 469,681,113,077.51
Step by Step Solution
- Step 1: Write the proportion equation
917,533,033,790.16 : 1,375,920,886,213.40 = 313,206,915,393.18 : x - Step 2: Convert to fraction form
917,533,033,790.16/1,375,920,886,213.40 = 313,206,915,393.18/x - Step 3: Cross multiply
917,533,033,790.16x = 1,375,920,886,213.40 × 313,206,915,393.18 - Step 4: Simplify right side
917,533,033,790.16x = 430,947,936,595,949,572,325,376 - Step 5: Solve for x
x = 430,947,936,595,949,572,325,376/917,533,033,790.16 - Step 6: Final answer
x = 469,681,113,077.51
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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.