Finding the Fourth Proportional to 830,470,350.74, 1,145,509,079.88 and 532,640,849.81
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Solution
The fourth proportional to 830,470,350.74, 1,145,509,079.88 and 532,640,849.81 is: 734,698,028.94
Step by Step Solution
- Step 1: Write the proportion equation
830,470,350.74 : 1,145,509,079.88 = 532,640,849.81 : x - Step 2: Convert to fraction form
830,470,350.74/1,145,509,079.88 = 532,640,849.81/x - Step 3: Cross multiply
830,470,350.74x = 1,145,509,079.88 × 532,640,849.81 - Step 4: Simplify right side
830,470,350.74x = 610,144,929,775,218,176 - Step 5: Solve for x
x = 610,144,929,775,218,176/830,470,350.74 - Step 6: Final answer
x = 734,698,028.94
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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.