Home / 989,607,006,941.70-1,484,410,510,412.50-393,366,874,370.70

Finding the Fourth Proportional to 989,607,006,941.70, 1,484,410,510,412.50 and 393,366,874,370.70

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Solution

The fourth proportional to 989,607,006,941.70, 1,484,410,510,412.50 and 393,366,874,370.70 is: 590,050,311,556.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,607,006,941.70 : 1,484,410,510,412.50 = 393,366,874,370.70 : x
  2. Step 2: Convert to fraction form
    989,607,006,941.70/1,484,410,510,412.50 = 393,366,874,370.70/x
  3. Step 3: Cross multiply
    989,607,006,941.70x = 1,484,410,510,412.50 × 393,366,874,370.70
  4. Step 4: Simplify right side
    989,607,006,941.70x = 583,917,922,763,980,553,584,640
  5. Step 5: Solve for x
    x = 583,917,922,763,980,553,584,640/989,607,006,941.70
  6. Step 6: Final answer
    x = 590,050,311,556.03

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Double scale
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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.