Finding the Fourth Proportional to 330,774,587.84, 456,454,947.69 and 180,064,110.13
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Solution
The fourth proportional to 330,774,587.84, 456,454,947.69 and 180,064,110.13 is: 248,480,859.75
Step by Step Solution
- Step 1: Write the proportion equation
330,774,587.84 : 456,454,947.69 = 180,064,110.13 : x - Step 2: Convert to fraction form
330,774,587.84/456,454,947.69 = 180,064,110.13/x - Step 3: Cross multiply
330,774,587.84x = 456,454,947.69 × 180,064,110.13 - Step 4: Simplify right side
330,774,587.84x = 82,191,153,969,094,416 - Step 5: Solve for x
x = 82,191,153,969,094,416/330,774,587.84 - Step 6: Final answer
x = 248,480,859.75
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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.