Finding the Fourth Proportional to 6,287,434,248.58, 8,676,686,238.05 and 3,429,638,740.02
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Solution
The fourth proportional to 6,287,434,248.58, 8,676,686,238.05 and 3,429,638,740.02 is: 4,732,916,175.42
Step by Step Solution
- Step 1: Write the proportion equation
6,287,434,248.58 : 8,676,686,238.05 = 3,429,638,740.02 : x - Step 2: Convert to fraction form
6,287,434,248.58/8,676,686,238.05 = 3,429,638,740.02/x - Step 3: Cross multiply
6,287,434,248.58x = 8,676,686,238.05 × 3,429,638,740.02 - Step 4: Simplify right side
6,287,434,248.58x = 29,757,899,257,014,673,408 - Step 5: Solve for x
x = 29,757,899,257,014,673,408/6,287,434,248.58 - Step 6: Final answer
x = 4,732,916,175.42
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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.