Home / 1,273,301,754.72-1,757,138,423.10-716,383,473.12

Finding the Fourth Proportional to 1,273,301,754.72, 1,757,138,423.10 and 716,383,473.12

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Solution

The fourth proportional to 1,273,301,754.72, 1,757,138,423.10 and 716,383,473.12 is: 988,599,066.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,301,754.72 : 1,757,138,423.10 = 716,383,473.12 : x
  2. Step 2: Convert to fraction form
    1,273,301,754.72/1,757,138,423.10 = 716,383,473.12/x
  3. Step 3: Cross multiply
    1,273,301,754.72x = 1,757,138,423.10 × 716,383,473.12
  4. Step 4: Simplify right side
    1,273,301,754.72x = 1,258,784,926,292,977,920
  5. Step 5: Solve for x
    x = 1,258,784,926,292,977,920/1,273,301,754.72
  6. Step 6: Final answer
    x = 988,599,066.66

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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.