Finding the Fourth Proportional to 6,205,899,991.21, 8,564,071,438.02 and 3,386,555,885.05
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Solution
The fourth proportional to 6,205,899,991.21, 8,564,071,438.02 and 3,386,555,885.05 is: 4,673,408,622.36
Step by Step Solution
- Step 1: Write the proportion equation
6,205,899,991.21 : 8,564,071,438.02 = 3,386,555,885.05 : x - Step 2: Convert to fraction form
6,205,899,991.21/8,564,071,438.02 = 3,386,555,885.05/x - Step 3: Cross multiply
6,205,899,991.21x = 8,564,071,438.02 × 3,386,555,885.05 - Step 4: Simplify right side
6,205,899,991.21x = 29,002,706,528,415,252,480 - Step 5: Solve for x
x = 29,002,706,528,415,252,480/6,205,899,991.21 - Step 6: Final answer
x = 4,673,408,622.36
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Double scale
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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.