Finding the Fourth Proportional to 2,137,830,604.10, 2,949,157,862.06 and 1,855,176,327.12
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Solution
The fourth proportional to 2,137,830,604.10, 2,949,157,862.06 and 1,855,176,327.12 is: 2,559,233,570.77
Step by Step Solution
- Step 1: Write the proportion equation
2,137,830,604.10 : 2,949,157,862.06 = 1,855,176,327.12 : x - Step 2: Convert to fraction form
2,137,830,604.10/2,949,157,862.06 = 1,855,176,327.12/x - Step 3: Cross multiply
2,137,830,604.10x = 2,949,157,862.06 × 1,855,176,327.12 - Step 4: Simplify right side
2,137,830,604.10x = 5,471,207,850,635,177,984 - Step 5: Solve for x
x = 5,471,207,850,635,177,984/2,137,830,604.10 - Step 6: Final answer
x = 2,559,233,570.77
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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.