Finding the Fourth Proportional to 972,335,472.84, 1,458,501,027.12 and 751,328,204.04
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Solution
The fourth proportional to 972,335,472.84, 1,458,501,027.12 and 751,328,204.04 is: 1,126,990,619.91
Step by Step Solution
- Step 1: Write the proportion equation
972,335,472.84 : 1,458,501,027.12 = 751,328,204.04 : x - Step 2: Convert to fraction form
972,335,472.84/1,458,501,027.12 = 751,328,204.04/x - Step 3: Cross multiply
972,335,472.84x = 1,458,501,027.12 × 751,328,204.04 - Step 4: Simplify right side
972,335,472.84x = 1,095,812,957,296,564,736 - Step 5: Solve for x
x = 1,095,812,957,296,564,736/972,335,472.84 - Step 6: Final answer
x = 1,126,990,619.91
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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.