Finding the Fourth Proportional to 6,641,264,941.84, 9,961,916,323.84 and 1,919,971,205.52
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Solution
The fourth proportional to 6,641,264,941.84, 9,961,916,323.84 and 1,919,971,205.52 is: 2,879,962,275.42
Step by Step Solution
- Step 1: Write the proportion equation
6,641,264,941.84 : 9,961,916,323.84 = 1,919,971,205.52 : x - Step 2: Convert to fraction form
6,641,264,941.84/9,961,916,323.84 = 1,919,971,205.52/x - Step 3: Cross multiply
6,641,264,941.84x = 9,961,916,323.84 × 1,919,971,205.52 - Step 4: Simplify right side
6,641,264,941.84x = 19,126,592,493,572,452,352 - Step 5: Solve for x
x = 19,126,592,493,572,452,352/6,641,264,941.84 - Step 6: Final answer
x = 2,879,962,275.42
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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.