Finding the Fourth Proportional to 912,961,794.07, 1,370,328,240.45 and 440,593,263.08
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Solution
The fourth proportional to 912,961,794.07, 1,370,328,240.45 and 440,593,263.08 is: 661,317,258.70
Step by Step Solution
- Step 1: Write the proportion equation
912,961,794.07 : 1,370,328,240.45 = 440,593,263.08 : x - Step 2: Convert to fraction form
912,961,794.07/1,370,328,240.45 = 440,593,263.08/x - Step 3: Cross multiply
912,961,794.07x = 1,370,328,240.45 × 440,593,263.08 - Step 4: Simplify right side
912,961,794.07x = 603,757,390,951,854,720 - Step 5: Solve for x
x = 603,757,390,951,854,720/912,961,794.07 - Step 6: Final answer
x = 661,317,258.70
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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.