Home / 1,095,640,469.94-1,511,822,419.04-666,258,711.78

Finding the Fourth Proportional to 1,095,640,469.94, 1,511,822,419.04 and 666,258,711.78

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Solution

The fourth proportional to 1,095,640,469.94, 1,511,822,419.04 and 666,258,711.78 is: 919,338,857.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,640,469.94 : 1,511,822,419.04 = 666,258,711.78 : x
  2. Step 2: Convert to fraction form
    1,095,640,469.94/1,511,822,419.04 = 666,258,711.78/x
  3. Step 3: Cross multiply
    1,095,640,469.94x = 1,511,822,419.04 × 666,258,711.78
  4. Step 4: Simplify right side
    1,095,640,469.94x = 1,007,264,857,349,713,664
  5. Step 5: Solve for x
    x = 1,007,264,857,349,713,664/1,095,640,469.94
  6. Step 6: Final answer
    x = 919,338,857.03

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.