Finding the Fourth Proportional to 13,170,070,521.29, 19,758,986,482.21 and 5,305,435,775.57
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Solution
The fourth proportional to 13,170,070,521.29, 19,758,986,482.21 and 5,305,435,775.57 is: 7,959,716,966.00
Step by Step Solution
- Step 1: Write the proportion equation
13,170,070,521.29 : 19,758,986,482.21 = 5,305,435,775.57 : x - Step 2: Convert to fraction form
13,170,070,521.29/19,758,986,482.21 = 5,305,435,775.57/x - Step 3: Cross multiply
13,170,070,521.29x = 19,758,986,482.21 × 5,305,435,775.57 - Step 4: Simplify right side
13,170,070,521.29x = 104,830,033,771,761,729,536 - Step 5: Solve for x
x = 104,830,033,771,761,729,536/13,170,070,521.29 - Step 6: Final answer
x = 7,959,716,966.00
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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.