Finding the Fourth Proportional to 910,701,093.10, 1,256,767,931.46 and 493,013,377.84
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Solution
The fourth proportional to 910,701,093.10, 1,256,767,931.46 and 493,013,377.84 is: 680,358,690.40
Step by Step Solution
- Step 1: Write the proportion equation
910,701,093.10 : 1,256,767,931.46 = 493,013,377.84 : x - Step 2: Convert to fraction form
910,701,093.10/1,256,767,931.46 = 493,013,377.84/x - Step 3: Cross multiply
910,701,093.10x = 1,256,767,931.46 × 493,013,377.84 - Step 4: Simplify right side
910,701,093.10x = 619,603,403,050,084,224 - Step 5: Solve for x
x = 619,603,403,050,084,224/910,701,093.10 - Step 6: Final answer
x = 680,358,690.40
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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.