Home / 449,323,411.40-673,985,117.10-376,764,000.20

Finding the Fourth Proportional to 449,323,411.40, 673,985,117.10 and 376,764,000.20

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Solution

The fourth proportional to 449,323,411.40, 673,985,117.10 and 376,764,000.20 is: 565,146,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,323,411.40 : 673,985,117.10 = 376,764,000.20 : x
  2. Step 2: Convert to fraction form
    449,323,411.40/673,985,117.10 = 376,764,000.20/x
  3. Step 3: Cross multiply
    449,323,411.40x = 673,985,117.10 × 376,764,000.20
  4. Step 4: Simplify right side
    449,323,411.40x = 253,933,328,793,861,440
  5. Step 5: Solve for x
    x = 253,933,328,793,861,440/449,323,411.40
  6. Step 6: Final answer
    x = 565,146,000.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.