Finding the Fourth Proportional to 864,779,936.58, 1,193,397,463.62 and 468,303,610.32
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Solution
The fourth proportional to 864,779,936.58, 1,193,397,463.62 and 468,303,610.32 is: 646,259,605.62
Step by Step Solution
- Step 1: Write the proportion equation
864,779,936.58 : 1,193,397,463.62 = 468,303,610.32 : x - Step 2: Convert to fraction form
864,779,936.58/1,193,397,463.62 = 468,303,610.32/x - Step 3: Cross multiply
864,779,936.58x = 1,193,397,463.62 × 468,303,610.32 - Step 4: Simplify right side
864,779,936.58x = 558,872,340,759,976,768 - Step 5: Solve for x
x = 558,872,340,759,976,768/864,779,936.58 - Step 6: Final answer
x = 646,259,605.62
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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.