Finding the Fourth Proportional to 1,865,170,074.68, 2,573,970,529.80 and 1,018,430,969.66
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Solution
The fourth proportional to 1,865,170,074.68, 2,573,970,529.80 and 1,018,430,969.66 is: 1,405,454,300.46
Step by Step Solution
- Step 1: Write the proportion equation
1,865,170,074.68 : 2,573,970,529.80 = 1,018,430,969.66 : x - Step 2: Convert to fraction form
1,865,170,074.68/2,573,970,529.80 = 1,018,430,969.66/x - Step 3: Cross multiply
1,865,170,074.68x = 2,573,970,529.80 × 1,018,430,969.66 - Step 4: Simplify right side
1,865,170,074.68x = 2,621,411,302,540,477,952 - Step 5: Solve for x
x = 2,621,411,302,540,477,952/1,865,170,074.68 - Step 6: Final answer
x = 1,405,454,300.46
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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.