Finding the Fourth Proportional to 907,618,159.63, 1,361,823,235.57 and 317,831,707.98
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Solution
The fourth proportional to 907,618,159.63, 1,361,823,235.57 and 317,831,707.98 is: 476,886,232.76
Step by Step Solution
- Step 1: Write the proportion equation
907,618,159.63 : 1,361,823,235.57 = 317,831,707.98 : x - Step 2: Convert to fraction form
907,618,159.63/1,361,823,235.57 = 317,831,707.98/x - Step 3: Cross multiply
907,618,159.63x = 1,361,823,235.57 × 317,831,707.98 - Step 4: Simplify right side
907,618,159.63x = 432,830,604,928,444,352 - Step 5: Solve for x
x = 432,830,604,928,444,352/907,618,159.63 - Step 6: Final answer
x = 476,886,232.76
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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.