Finding the Fourth Proportional to 688,455,336.64, 1,032,901,309.92 and 245,788,519.84
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Solution
The fourth proportional to 688,455,336.64, 1,032,901,309.92 and 245,788,519.84 is: 368,760,717.79
Step by Step Solution
- Step 1: Write the proportion equation
688,455,336.64 : 1,032,901,309.92 = 245,788,519.84 : x - Step 2: Convert to fraction form
688,455,336.64/1,032,901,309.92 = 245,788,519.84/x - Step 3: Cross multiply
688,455,336.64x = 1,032,901,309.92 × 245,788,519.84 - Step 4: Simplify right side
688,455,336.64x = 253,875,284,106,033,888 - Step 5: Solve for x
x = 253,875,284,106,033,888/688,455,336.64 - Step 6: Final answer
x = 368,760,717.79
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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.