Home / 669,337,011.02-1,000,923,369.30-636,685,275.98

Finding the Fourth Proportional to 669,337,011.02, 1,000,923,369.30 and 636,685,275.98

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Solution

The fourth proportional to 669,337,011.02, 1,000,923,369.30 and 636,685,275.98 is: 952,096,120.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,337,011.02 : 1,000,923,369.30 = 636,685,275.98 : x
  2. Step 2: Convert to fraction form
    669,337,011.02/1,000,923,369.30 = 636,685,275.98/x
  3. Step 3: Cross multiply
    669,337,011.02x = 1,000,923,369.30 × 636,685,275.98
  4. Step 4: Simplify right side
    669,337,011.02x = 637,273,171,617,601,920
  5. Step 5: Solve for x
    x = 637,273,171,617,601,920/669,337,011.02
  6. Step 6: Final answer
    x = 952,096,120.68

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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.