Finding the Fourth Proportional to 1,756,878,961.08, 2,634,417,747.54 and 928,278,198.84
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Solution
The fourth proportional to 1,756,878,961.08, 2,634,417,747.54 and 928,278,198.84 is: 1,391,941,400.55
Step by Step Solution
- Step 1: Write the proportion equation
1,756,878,961.08 : 2,634,417,747.54 = 928,278,198.84 : x - Step 2: Convert to fraction form
1,756,878,961.08/2,634,417,747.54 = 928,278,198.84/x - Step 3: Cross multiply
1,756,878,961.08x = 2,634,417,747.54 × 928,278,198.84 - Step 4: Simplify right side
1,756,878,961.08x = 2,445,472,561,678,561,280 - Step 5: Solve for x
x = 2,445,472,561,678,561,280/1,756,878,961.08 - Step 6: Final answer
x = 1,391,941,400.55
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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.