Finding the Fourth Proportional to 1,767,779,907.09, 2,439,595,164.87 and 964,051,257.17
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Solution
The fourth proportional to 1,767,779,907.09, 2,439,595,164.87 and 964,051,257.17 is: 1,330,422,851.98
Step by Step Solution
- Step 1: Write the proportion equation
1,767,779,907.09 : 2,439,595,164.87 = 964,051,257.17 : x - Step 2: Convert to fraction form
1,767,779,907.09/2,439,595,164.87 = 964,051,257.17/x - Step 3: Cross multiply
1,767,779,907.09x = 2,439,595,164.87 × 964,051,257.17 - Step 4: Simplify right side
1,767,779,907.09x = 2,351,894,785,666,578,944 - Step 5: Solve for x
x = 2,351,894,785,666,578,944/1,767,779,907.09 - Step 6: Final answer
x = 1,330,422,851.98
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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.