Home / 746,497,333.60-1,119,746,000.40-512,694,786.40

Finding the Fourth Proportional to 746,497,333.60, 1,119,746,000.40 and 512,694,786.40

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Solution

The fourth proportional to 746,497,333.60, 1,119,746,000.40 and 512,694,786.40 is: 769,042,179.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,497,333.60 : 1,119,746,000.40 = 512,694,786.40 : x
  2. Step 2: Convert to fraction form
    746,497,333.60/1,119,746,000.40 = 512,694,786.40/x
  3. Step 3: Cross multiply
    746,497,333.60x = 1,119,746,000.40 × 512,694,786.40
  4. Step 4: Simplify right side
    746,497,333.60x = 574,087,936,497,332,352
  5. Step 5: Solve for x
    x = 574,087,936,497,332,352/746,497,333.60
  6. Step 6: Final answer
    x = 769,042,179.60

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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.