Home / 443,701,742.28-612,198,394.23-286,880,148.01

Finding the Fourth Proportional to 443,701,742.28, 612,198,394.23 and 286,880,148.01

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Solution

The fourth proportional to 443,701,742.28, 612,198,394.23 and 286,880,148.01 is: 395,823,476.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,701,742.28 : 612,198,394.23 = 286,880,148.01 : x
  2. Step 2: Convert to fraction form
    443,701,742.28/612,198,394.23 = 286,880,148.01/x
  3. Step 3: Cross multiply
    443,701,742.28x = 612,198,394.23 × 286,880,148.01
  4. Step 4: Simplify right side
    443,701,742.28x = 175,627,565,948,186,720
  5. Step 5: Solve for x
    x = 175,627,565,948,186,720/443,701,742.28
  6. Step 6: Final answer
    x = 395,823,476.03

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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.