Finding the Fourth Proportional to 6,679,355,479.15, 9,217,690,563.36 and 3,929,804,688.17
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Solution
The fourth proportional to 6,679,355,479.15, 9,217,690,563.36 and 3,929,804,688.17 is: 5,423,236,374.09
Step by Step Solution
- Step 1: Write the proportion equation
6,679,355,479.15 : 9,217,690,563.36 = 3,929,804,688.17 : x - Step 2: Convert to fraction form
6,679,355,479.15/9,217,690,563.36 = 3,929,804,688.17/x - Step 3: Cross multiply
6,679,355,479.15x = 9,217,690,563.36 × 3,929,804,688.17 - Step 4: Simplify right side
6,679,355,479.15x = 36,223,723,590,007,812,096 - Step 5: Solve for x
x = 36,223,723,590,007,812,096/6,679,355,479.15 - Step 6: Final answer
x = 5,423,236,374.09
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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.