Home / 675,783,010.80-1,013,674,516.20-664,303,885.20

Finding the Fourth Proportional to 675,783,010.80, 1,013,674,516.20 and 664,303,885.20

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Solution

The fourth proportional to 675,783,010.80, 1,013,674,516.20 and 664,303,885.20 is: 996,455,827.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,783,010.80 : 1,013,674,516.20 = 664,303,885.20 : x
  2. Step 2: Convert to fraction form
    675,783,010.80/1,013,674,516.20 = 664,303,885.20/x
  3. Step 3: Cross multiply
    675,783,010.80x = 1,013,674,516.20 × 664,303,885.20
  4. Step 4: Simplify right side
    675,783,010.80x = 673,387,919,439,890,432
  5. Step 5: Solve for x
    x = 673,387,919,439,890,432/675,783,010.80
  6. Step 6: Final answer
    x = 996,455,827.80

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1.5x scale

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.