Home / 476,592,175.54-657,750,457.38-288,524,096.20

Finding the Fourth Proportional to 476,592,175.54, 657,750,457.38 and 288,524,096.20

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Solution

The fourth proportional to 476,592,175.54, 657,750,457.38 and 288,524,096.20 is: 398,195,492.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,592,175.54 : 657,750,457.38 = 288,524,096.20 : x
  2. Step 2: Convert to fraction form
    476,592,175.54/657,750,457.38 = 288,524,096.20/x
  3. Step 3: Cross multiply
    476,592,175.54x = 657,750,457.38 × 288,524,096.20
  4. Step 4: Simplify right side
    476,592,175.54x = 189,776,856,240,701,120
  5. Step 5: Solve for x
    x = 189,776,856,240,701,120/476,592,175.54
  6. Step 6: Final answer
    x = 398,195,492.88

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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.