Home / 746,497,537.60-1,119,746,306.40-512,694,990.40

Finding the Fourth Proportional to 746,497,537.60, 1,119,746,306.40 and 512,694,990.40

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Solution

The fourth proportional to 746,497,537.60, 1,119,746,306.40 and 512,694,990.40 is: 769,042,485.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,497,537.60 : 1,119,746,306.40 = 512,694,990.40 : x
  2. Step 2: Convert to fraction form
    746,497,537.60/1,119,746,306.40 = 512,694,990.40/x
  3. Step 3: Cross multiply
    746,497,537.60x = 1,119,746,306.40 × 512,694,990.40
  4. Step 4: Simplify right side
    746,497,537.60x = 574,088,321,810,183,488
  5. Step 5: Solve for x
    x = 574,088,321,810,183,488/746,497,537.60
  6. Step 6: Final answer
    x = 769,042,485.60

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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.