Finding the Fourth Proportional to 954,616,550.72, 1,318,667,615.52 and 748,376,502.08
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Solution
The fourth proportional to 954,616,550.72, 1,318,667,615.52 and 748,376,502.08 is: 1,033,776,186.64
Step by Step Solution
- Step 1: Write the proportion equation
954,616,550.72 : 1,318,667,615.52 = 748,376,502.08 : x - Step 2: Convert to fraction form
954,616,550.72/1,318,667,615.52 = 748,376,502.08/x - Step 3: Cross multiply
954,616,550.72x = 1,318,667,615.52 × 748,376,502.08 - Step 4: Simplify right side
954,616,550.72x = 986,859,857,509,031,936 - Step 5: Solve for x
x = 986,859,857,509,031,936/954,616,550.72 - Step 6: Final answer
x = 1,033,776,186.64
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1.5x scale
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.