Finding the Fourth Proportional to 286,848,789.09, 429,382,511.47 and 155,364,497.43
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Solution
The fourth proportional to 286,848,789.09, 429,382,511.47 and 155,364,497.43 is: 232,564,335.77
Step by Step Solution
- Step 1: Write the proportion equation
286,848,789.09 : 429,382,511.47 = 155,364,497.43 : x - Step 2: Convert to fraction form
286,848,789.09/429,382,511.47 = 155,364,497.43/x - Step 3: Cross multiply
286,848,789.09x = 429,382,511.47 × 155,364,497.43 - Step 4: Simplify right side
286,848,789.09x = 66,710,798,099,767,768 - Step 5: Solve for x
x = 66,710,798,099,767,768/286,848,789.09 - Step 6: Final answer
x = 232,564,335.77
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.