Finding the Fourth Proportional to 53,612,239,915.72, 73,983,988,457.58 and 29,528,504,278.12
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Solution
The fourth proportional to 53,612,239,915.72, 73,983,988,457.58 and 29,528,504,278.12 is: 40,748,838,756.16
Step by Step Solution
- Step 1: Write the proportion equation
53,612,239,915.72 : 73,983,988,457.58 = 29,528,504,278.12 : x - Step 2: Convert to fraction form
53,612,239,915.72/73,983,988,457.58 = 29,528,504,278.12/x - Step 3: Cross multiply
53,612,239,915.72x = 73,983,988,457.58 × 29,528,504,278.12 - Step 4: Simplify right side
53,612,239,915.72x = 2,184,636,519,682,031,747,072 - Step 5: Solve for x
x = 2,184,636,519,682,031,747,072/53,612,239,915.72 - Step 6: Final answer
x = 40,748,838,756.16
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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.