Home / 386,600,176.80-533,525,812.20-227,837,000.40

Finding the Fourth Proportional to 386,600,176.80, 533,525,812.20 and 227,837,000.40

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Solution

The fourth proportional to 386,600,176.80, 533,525,812.20 and 227,837,000.40 is: 314,425,414.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,600,176.80 : 533,525,812.20 = 227,837,000.40 : x
  2. Step 2: Convert to fraction form
    386,600,176.80/533,525,812.20 = 227,837,000.40/x
  3. Step 3: Cross multiply
    386,600,176.80x = 533,525,812.20 × 227,837,000.40
  4. Step 4: Simplify right side
    386,600,176.80x = 121,556,920,687,621,728
  5. Step 5: Solve for x
    x = 121,556,920,687,621,728/386,600,176.80
  6. Step 6: Final answer
    x = 314,425,414.12

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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.