Home / 1,928,678,382,800.60-2,893,025,155,173.80-781,332,281,694.72

Finding the Fourth Proportional to 1,928,678,382,800.60, 2,893,025,155,173.80 and 781,332,281,694.72

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Solution

The fourth proportional to 1,928,678,382,800.60, 2,893,025,155,173.80 and 781,332,281,694.72 is: 1,172,001,493,691.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,678,382,800.60 : 2,893,025,155,173.80 = 781,332,281,694.72 : x
  2. Step 2: Convert to fraction form
    1,928,678,382,800.60/2,893,025,155,173.80 = 781,332,281,694.72/x
  3. Step 3: Cross multiply
    1,928,678,382,800.60x = 2,893,025,155,173.80 × 781,332,281,694.72
  4. Step 4: Simplify right side
    1,928,678,382,800.60x = 2,260,413,945,492,166,315,868,160
  5. Step 5: Solve for x
    x = 2,260,413,945,492,166,315,868,160/1,928,678,382,800.60
  6. Step 6: Final answer
    x = 1,172,001,493,691.17

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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.