Home / 966,569,438.80-1,450,609,985.40-449,064,002.80

Finding the Fourth Proportional to 966,569,438.80, 1,450,609,985.40 and 449,064,002.80

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Solution

The fourth proportional to 966,569,438.80, 1,450,609,985.40 and 449,064,002.80 is: 673,947,158.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,569,438.80 : 1,450,609,985.40 = 449,064,002.80 : x
  2. Step 2: Convert to fraction form
    966,569,438.80/1,450,609,985.40 = 449,064,002.80/x
  3. Step 3: Cross multiply
    966,569,438.80x = 1,450,609,985.40 × 449,064,002.80
  4. Step 4: Simplify right side
    966,569,438.80x = 651,416,726,545,373,568
  5. Step 5: Solve for x
    x = 651,416,726,545,373,568/966,569,438.80
  6. Step 6: Final answer
    x = 673,947,158.27

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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.