Finding the Fourth Proportional to 830,470,352.74, 1,145,509,082.64 and 532,640,851.82
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Solution
The fourth proportional to 830,470,352.74, 1,145,509,082.64 and 532,640,851.82 is: 734,698,031.70
Step by Step Solution
- Step 1: Write the proportion equation
830,470,352.74 : 1,145,509,082.64 = 532,640,851.82 : x - Step 2: Convert to fraction form
830,470,352.74/1,145,509,082.64 = 532,640,851.82/x - Step 3: Cross multiply
830,470,352.74x = 1,145,509,082.64 × 532,640,851.82 - Step 4: Simplify right side
830,470,352.74x = 610,144,933,544,916,480 - Step 5: Solve for x
x = 610,144,933,544,916,480/830,470,352.74 - Step 6: Final answer
x = 734,698,031.70
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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.