Home / 893,641,981.64-1,233,237,283.86-491,801,996.57

Finding the Fourth Proportional to 893,641,981.64, 1,233,237,283.86 and 491,801,996.57

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Solution

The fourth proportional to 893,641,981.64, 1,233,237,283.86 and 491,801,996.57 is: 678,693,001.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,641,981.64 : 1,233,237,283.86 = 491,801,996.57 : x
  2. Step 2: Convert to fraction form
    893,641,981.64/1,233,237,283.86 = 491,801,996.57/x
  3. Step 3: Cross multiply
    893,641,981.64x = 1,233,237,283.86 × 491,801,996.57
  4. Step 4: Simplify right side
    893,641,981.64x = 606,508,558,440,745,600
  5. Step 5: Solve for x
    x = 606,508,558,440,745,600/893,641,981.64
  6. Step 6: Final answer
    x = 678,693,001.12

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Double scale
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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.