Home / 783,908,588.70-1,175,862,883.05-266,922,783.90

Finding the Fourth Proportional to 783,908,588.70, 1,175,862,883.05 and 266,922,783.90

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Solution

The fourth proportional to 783,908,588.70, 1,175,862,883.05 and 266,922,783.90 is: 400,384,175.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,908,588.70 : 1,175,862,883.05 = 266,922,783.90 : x
  2. Step 2: Convert to fraction form
    783,908,588.70/1,175,862,883.05 = 266,922,783.90/x
  3. Step 3: Cross multiply
    783,908,588.70x = 1,175,862,883.05 × 266,922,783.90
  4. Step 4: Simplify right side
    783,908,588.70x = 313,864,594,228,386,112
  5. Step 5: Solve for x
    x = 313,864,594,228,386,112/783,908,588.70
  6. Step 6: Final answer
    x = 400,384,175.85

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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.